Re: RTL8188SU(rtl8192su) & rtl8192sufw-ap.bin

[poma <pomidorabelisima@gmail.com>]

On 15.10.2014 04:20, poma wrote:
> On 14.10.2014 22:22, Dan Williams wrote:
>> On Tue, 2014-10-14 at 02:59 +0200, poma wrote:
>>> Realtek RTL8188SU/RTL8191SU/RTL8192SU driver
>>> https://github.com/chunkeey/rtl8192su
>>> &
>>> RTL8188SU
>>>
>>
>> It looks like everything worked correctly here for AP mode, at least
>> from the NM logs.  Is that correct?
>>
>> Dan
>>
> 
> If you don't hit something like this
> 
> [   19.021232] rtlwifi: module verification failed: signature and/or  required key missing - tainting kernel
> [   19.304159] rtl8192s_common: Chip version 0x3
> [   19.472156] rtl_usb: rx_max_size 9100, rx_urb_num 8, in_ep 3
> [   19.472765] BUG: unable to handle kernel paging request at ffff8800c8f3a3cc
> [   19.473348] IP: [<ffffffffa0501d5e>] rtl_usb_probe+0x64e/0x8f0 [rtl_usb]
> [   19.473937] PGD 202e067 PUD 12ffff067 PMD c8f65063 PTE 80000000c8f3a161
> [   19.474516] Oops: 0003 [#1] SMP 
> [   19.475083] Modules linked in: rtl8192su(OE+) rtl8192s_common(OE) rtl_usb(OE) rtlwifi(OE) mac80211 cfg80211 rfkill ...
> [   19.478188] CPU: 0 PID: 470 Comm: systemd-udevd Tainted: G           OE  3.17.0-301.fc21.x86_64 #1
> [   19.479373] task: ffff8800c9313ae0 ti: ffff8800c9828000 task.ti: ffff8800c9828000
> [   19.479962] RIP: 0010:[<ffffffffa0501d5e>]  [<ffffffffa0501d5e>] rtl_usb_probe+0x64e/0x8f0 [rtl_usb]
> [   19.480558] RSP: 0018:ffff8800c982bb38  EFLAGS: 00010246
> [   19.481146] RAX: ffff8800c8f31a80 RBX: ffff8800c8f31a80 RCX: 0000000000000000
> [   19.481735] RDX: ffffffffa05032e0 RSI: ffffffffa05020c8 RDI: ffff8800c8f30680
> [   19.482317] RBP: ffff8800c982bb80 R08: ffff8800c8f36050 R09: ffff8800c8f35f18
> [   19.482897] R10: ffff8800c8f36058 R11: 00000000000003f6 R12: ffff8800c8f31a80
> [   19.483476] R13: ffff8800c8f30680 R14: ffff88007f53f800 R15: 0000000000000000
> [   19.484066] FS:  00007fe3393cb880(0000) GS:ffff88012fc00000(0000) knlGS:0000000000000000
> [   19.484662] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> [   19.485253] CR2: ffff8800c8f3a3cc CR3: 00000000c9ed2000 CR4: 00000000000007f0
> [   19.485843] Stack:
> [   19.486431]  ffff8800c8f35f18 ffff8800c8f36050 ffff8800c8f36058 0000000000000000
> [   19.487032]  ffff88007f53f890 ffff88007f53f800 ffffffffa050a068 ffff8801297d3c30
> [   19.487633]  ffffffffa050a100 ffff8800c982bb90 ffffffffa0507b55 ffff8800c982bbd8
> [   19.488233] Call Trace:
> [   19.488835]  [<ffffffffa0507b55>] rtl8192su_probe+0x15/0x20 [rtl8192su]
> [   19.489433]  [<ffffffff81524a0b>] usb_probe_interface+0x1cb/0x340
> [   19.490022]  [<ffffffff81498233>] driver_probe_device+0xa3/0x400
> [   19.490596]  [<ffffffff8149865b>] __driver_attach+0x8b/0x90
> [   19.491171]  [<ffffffff814985d0>] ? __device_attach+0x40/0x40
> [   19.491746]  [<ffffffff81495fd3>] bus_for_each_dev+0x73/0xc0
> [   19.492303]  [<ffffffff81497cce>] driver_attach+0x1e/0x20
> [   19.492859]  [<ffffffff814978a0>] bus_add_driver+0x180/0x250
> [   19.493418]  [<ffffffff81498e24>] driver_register+0x64/0xf0
> [   19.493971]  [<ffffffff81522fd2>] usb_register_driver+0x82/0x160
> [   19.494523]  [<ffffffffa036b000>] ? 0xffffffffa036b000
> [   19.495081]  [<ffffffffa036b01e>] rtl92su_driver_init+0x1e/0x1000 [rtl8192su]
> [   19.495638]  [<ffffffff81002148>] do_one_initcall+0xd8/0x210
> [   19.496201]  [<ffffffff811d1f52>] ? __vunmap+0xa2/0x100
> [   19.496760]  [<ffffffff81116c4f>] load_module+0x1ebf/0x2640
> [   19.497320]  [<ffffffff81112670>] ? store_uevent+0x70/0x70
> [   19.497877]  [<ffffffff81211f37>] ? kernel_read+0x57/0x90
> [   19.498433]  [<ffffffff81117596>] SyS_finit_module+0xa6/0xe0
> [   19.498982]  [<ffffffff81743469>] system_call_fastpath+0x16/0x1b
> [   19.499523] Code: af 39 00 00 03 c7 80 b0 08 00 00 64 00 00 00 c6 80 b4 08 00 00 00 c6 80 b5 08 00 00 00 c6 80 b7 08 00 00 07 c6 80 b6 08 00 00 03 <c7> 80 4c 89 00 00 02 00 00 00 c7 80 50 89 00 00 ff ff ff ff c7 
> [   19.500890] RIP  [<ffffffffa0501d5e>] rtl_usb_probe+0x64e/0x8f0 [rtl_usb]
> [   19.501483]  RSP <ffff8800c982bb38>
> [   19.502064] CR2: ffff8800c8f3a3cc
> [   19.502651] ---[ end trace a2f95d6ce906062b ]---
> 
> and if you don't take into account the measured bandwidth is relatively low comparing the actual possible speed, 
> see http://goo.gl/3O3Tz4 (speedof.me/m), 
> you can say it is good to go.
> 

BTW there is another firmware that provides full throughput, as well as the complete system crash.

https://wiki.debian.org/rtl819x#Drivers
https://packages.debian.org/firmware-realtek
https://packages.debian.org/sid/firmware-realtek
https://packages.debian.org/sid/all/firmware-realtek/download
http://ftp.us.debian.org/debian/pool/non-free/f/firmware-nonfree/firmware-realtek_0.43_all.deb


>>> - lsusb
>>>
>>> Bus 002 Device 003: ID 0bda:8171 Realtek Semiconductor Corp. RTL8188SU 802.11n WLAN Adapter
>>>
>>> ~~~~~~~~~~
>>>
>>> - lsusb -t
>>>
>>> /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/6p, 480M
>>>     ...
>>>     |__ Port 3: Dev 3, If 0, Class=Vendor Specific Class, Driver=rtl8192su, 480M
>>>
>>> ~~~~~~~~~~~~~~~~~~~~~~~
>>>
>>> - ethtool -i wlp0s4f1u3
>>>
>>> driver: rtl8192su
>>> ...
>>>
>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>
>>> - /usr/lib/firmware/rtlwifi/rtl8192sufw.bin
>>>   eq
>>>   https://github.com/chunkeey/rtl8192su/raw/master/firmwares/rtl8192sufw-ap.bin
>>>
>>> ~~~~~~~~~~~~~~~~~~~~~
>>>
>>> - iwconfig wlp0s4f1u3
>>>
>>> wlp0s4f1u3  IEEE 802.11bgn  Mode:Master  Tx-Power=20 dBm   
>>>           Retry short limit:7   RTS thr=2347 B   Fragment thr:off
>>>           Power Management:off
>>>
>>> ~~~~~~~~~~~~~~~~~~~~~
>>>
>>> - ifconfig wlp0s4f1u3
>>>
>>> wlp0s4f1u3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>>>         inet 10.42.0.1  netmask 255.255.255.0  broadcast 10.42.0.255
>>>         inet6 fe80::201:2ff:fe03:405  prefixlen 64  scopeid 0x20<link>
>>>         ether 00:01:02:03:04:05  txqueuelen 1000  (Ethernet)
>>>         RX packets 77  bytes 7421 (7.2 KiB)
>>>         RX errors 0  dropped 0  overruns 0  frame 0
>>>         TX packets 126  bytes 27469 (26.8 KiB)
>>>         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
>>>           
>>> ~~~~~~~~~~~~~~~~~~~~
>>>
>>> - iw wlp0s4f1u3 info
>>>
>>> Interface wlp0s4f1u3
>>> 	ifindex 5
>>> 	wdev 0x100000001
>>> 	addr 00:01:02:03:04:05
>>> 	ssid RTL8188SU(rtl8192su)
>>> 	type AP
>>> 	wiphy 1
>>> 	channel 1 (2412 MHz), width: 20 MHz, center1: 2412 MHz
>>>
>>> ~~~~~~~~~
>>>
>>> - iw list
>>>
>>> Wiphy phy1
>>> 	max # scan SSIDs: 4
>>> 	max scan IEs length: 2257 bytes
>>> 	RTS threshold: 2347
>>> 	Coverage class: 0 (up to 0m)
>>> 	Device supports RSN-IBSS.
>>> 	Supported Ciphers:
>>> 		* WEP40 (00-0f-ac:1)
>>> 		* WEP104 (00-0f-ac:5)
>>> 		* TKIP (00-0f-ac:2)
>>> 		* CCMP (00-0f-ac:4)
>>> 		* CMAC (00-0f-ac:6)
>>> 	Available Antennas: TX 0 RX 0
>>> 	Supported interface modes:
>>> 		 * IBSS
>>> 		 * managed
>>> 		 * AP
>>> 		 * AP/VLAN
>>> 		 * monitor
>>> 		 * mesh point
>>> 		 * P2P-client
>>> 		 * P2P-GO
>>> 	Band 1:
>>> 		Capabilities: 0x1862
>>> 			HT20/HT40
>>> 			Static SM Power Save
>>> 			RX HT20 SGI
>>> 			RX HT40 SGI
>>> 			No RX STBC
>>> 			Max AMSDU length: 7935 bytes
>>> 			DSSS/CCK HT40
>>> 		Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
>>> 		Minimum RX AMPDU time spacing: 16 usec (0x07)
>>> 		HT TX/RX MCS rate indexes supported: 0-7, 32
>>> 		Bitrates (non-HT):
>>> 			* 1.0 Mbps
>>> 			* 2.0 Mbps
>>> 			* 5.5 Mbps
>>> 			* 11.0 Mbps
>>> 			* 6.0 Mbps
>>> 			* 9.0 Mbps
>>> 			* 12.0 Mbps
>>> 			* 18.0 Mbps
>>> 			* 24.0 Mbps
>>> 			* 36.0 Mbps
>>> 			* 48.0 Mbps
>>> 			* 54.0 Mbps
>>> 		Frequencies:
>>> 			* 2412 MHz [1] (20.0 dBm)
>>> 			* 2417 MHz [2] (20.0 dBm)
>>> 			* 2422 MHz [3] (20.0 dBm)
>>> 			* 2427 MHz [4] (20.0 dBm)
>>> 			* 2432 MHz [5] (20.0 dBm)
>>> 			* 2437 MHz [6] (20.0 dBm)
>>> 			* 2442 MHz [7] (20.0 dBm)
>>> 			* 2447 MHz [8] (20.0 dBm)
>>> 			* 2452 MHz [9] (20.0 dBm)
>>> 			* 2457 MHz [10] (20.0 dBm)
>>> 			* 2462 MHz [11] (20.0 dBm)
>>> 			* 2467 MHz [12] (20.0 dBm)
>>> 			* 2472 MHz [13] (20.0 dBm)
>>> 			* 2484 MHz [14] (disabled)
>>> 	Supported commands:
>>> 		 * new_interface
>>> 		 * set_interface
>>> 		 * new_key
>>> 		 * start_ap
>>> 		 * new_station
>>> 		 * new_mpath
>>> 		 * set_mesh_config
>>> 		 * set_bss
>>> 		 * authenticate
>>> 		 * associate
>>> 		 * deauthenticate
>>> 		 * disassociate
>>> 		 * join_ibss
>>> 		 * join_mesh
>>> 		 * set_tx_bitrate_mask
>>> 		 * frame
>>> 		 * frame_wait_cancel
>>> 		 * set_wiphy_netns
>>> 		 * set_channel
>>> 		 * set_wds_peer
>>> 		 * probe_client
>>> 		 * set_noack_map
>>> 		 * register_beacons
>>> 		 * start_p2p_device
>>> 		 * set_mcast_rate
>>> 		 * Unknown command (104)
>>> 		 * connect
>>> 		 * disconnect
>>> 	Supported TX frame types:
>>> 		 * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>>> 		 * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>>> 		 * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>>> 		 * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>>> 		 * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>>> 		 * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>>> 		 * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>>> 		 * P2P-device: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>>> 	Supported RX frame types:
>>> 		 * IBSS: 0x40 0xb0 0xc0 0xd0
>>> 		 * managed: 0x40 0xd0
>>> 		 * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
>>> 		 * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
>>> 		 * mesh point: 0xb0 0xc0 0xd0
>>> 		 * P2P-client: 0x40 0xd0
>>> 		 * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
>>> 		 * P2P-device: 0x40 0xd0
>>> 	software interface modes (can always be added):
>>> 		 * AP/VLAN
>>> 		 * monitor
>>> 	interface combinations are not supported
>>> 	HT Capability overrides:
>>> 		 * MCS: ff ff ff ff ff ff ff ff ff ff
>>> 		 * maximum A-MSDU length
>>> 		 * supported channel width
>>> 		 * short GI for 40 MHz
>>> 		 * max A-MPDU length exponent
>>> 		 * min MPDU start spacing
>>> 	Device supports TX status socket option.
>>> 	Device supports HT-IBSS.
>>> 	Device supports low priority scan.
>>> 	Device supports scan flush.
>>> 	Device supports AP scan.
>>>
>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>
>>> - iw wlp0s4f1u3 station dump
>>>
>>> Station 00:22:44:66:88:aa (on wlp0s4f1u3)
>>> 	inactive time:	15052 ms
>>> 	rx bytes:	36692
>>> 	rx packets:	349
>>> 	tx bytes:	67232
>>> 	tx packets:	282
>>> 	tx retries:	0
>>> 	tx failed:	0
>>> 	signal:  	-30 dBm
>>> 	signal avg:	-30 dBm
>>> 	tx bitrate:	72.2 MBit/s MCS 7 short GI
>>> 	rx bitrate:	6.0 MBit/s
>>> 	authorized:	yes
>>> 	authenticated:	yes
>>> 	preamble:	long
>>> 	WMM/WME:	yes
>>> 	MFP:		no
>>> 	TDLS peer:	no
>>>
>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>
>>> - /etc/NetworkManager/system-connections/AP
>>>
>>> [connection]
>>> id=AP
>>> uuid=12345678-1234-5678-9abc-123456789abc
>>> type=wifi
>>> autoconnect=true
>>>
>>> [wifi]
>>> ssid=RTL8188SU(rtl8192su)
>>> mode=ap
>>> mac-address=00:01:02:03:04:05
>>> security=802-11-wireless-security
>>>
>>> [wifi-security]
>>> key-mgmt=wpa-psk
>>> proto=rsn
>>> pairwise=ccmp
>>> psk=passphrase
>>>
>>> [ipv4]
>>> method=shared
>>>
>>> [ipv6]
>>> method=ignore
>>>
>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>
>>> - journalctl NetworkManager
>>>
>>> [   25.277724] systemd[1]: Starting Network Manager...
>>> [   25.616088] NM[820]: <info> NetworkManager (version 0.9.10.0-5.git20140704.fc21) is starting...
>>> [   25.616296] NM[820]: <info> Read config: /etc/NetworkManager/NetworkManager.conf and conf.d: keyfile-plugin.conf
>>> [   25.616468] NM[820]: <info> WEXT support is enabled
>>> [   26.111881] NM[820]: <info> Loaded plugin keyfile: (c) 2007 - 2013 Red Hat, Inc.  To report bugs please use the NetworkManager mailing list.
>>> [   26.137541] NM[820]: <info> new connection /etc/NetworkManager/system-connections/enp3s0
>>> [   26.271517] NM[820]: <info> new connection /etc/NetworkManager/system-connections/AP
>>> [   26.281099] NM[820]: <info> new connection /etc/NetworkManager/system-connections/MBB
>>> [   26.296694] NM[820]: <info> monitoring kernel firmware directory '/lib/firmware'.
>>> [   26.298418] NM[820]: <info> rfkill0: found WiFi radio killswitch (at /sys/devices/pci0000:00/0000:00:04.1/usb2/2-3/2-3:1.0/ieee80211/phy0/rfkill0) (driver rtl8192su)
>>> [   26.298898] NM[820]: <info> WiFi hardware radio set enabled
>>> [   26.299359] NM[820]: <info> WWAN hardware radio set enabled
>>> [   26.301854] NM[820]: <info> Loaded device plugin: /usr/lib64/NetworkManager/libnm-device-plugin-wwan.so
>>> [   26.302361] NM[820]: <info> Loaded device plugin: /usr/lib64/NetworkManager/libnm-device-plugin-wifi.so
>>> [   26.302818] NM[820]: <info> WiFi enabled by radio killswitch; enabled by state file
>>> [   26.303284] NM[820]: <info> WWAN enabled by radio killswitch; enabled by state file
>>> [   26.303754] NM[820]: <info> WiMAX enabled by radio killswitch; enabled by state file
>>> [   26.304255] NM[820]: <info> Networking is enabled by state file
>>> [   26.304632] systemd[1]: Started Network Manager.
>>> [   26.313508] NM[820]: <info> (lo): link connected
>>> [   26.313671] NM[820]: <info> (lo): carrier is ON
>>> [   26.313817] NM[820]: <info> (lo): new Generic device (driver: 'unknown' ifindex: 1)
>>> [   26.313967] NM[820]: <info> (lo): exported as /org/freedesktop/NetworkManager/Devices/0
>>> [   26.347836] NM[820]: <info> (enp3s0): carrier is OFF
>>> [   26.365975] NM[820]: <info> (enp3s0): new Ethernet device (driver: 'r8169' ifindex: 3)
>>> [   26.366704] NM[820]: <info> (enp3s0): exported as /org/freedesktop/NetworkManager/Devices/1
>>> [   26.367298] NM[820]: <info> (enp3s0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
>>> [   26.389929] NM[820]: <info> (enp3s0): preparing device
>>> [   26.391212] NM[820]: <info> (wlp0s4f1u3): using nl80211 for WiFi device control
>>> [   26.391720] NM[820]: <info> (wlp0s4f1u3): driver supports Access Point (AP) mode
>>> [   26.392201] NM[820]: <info> (wlp0s4f1u3): new 802.11 WiFi device (driver: 'rtl8192su' ifindex: 4)
>>> [   26.392649] NM[820]: <info> (wlp0s4f1u3): exported as /org/freedesktop/NetworkManager/Devices/2
>>> [   26.393123] NM[820]: <info> (wlp0s4f1u3): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
>>> [   27.348116] NM[820]: <info> (wlp0s4f1u3): preparing device
>>> [   27.357681] NM[820]: <info> ModemManager available in the bus
>>> [   28.033860] NM[820]: <info> (enp3s0): link connected
>>> [   28.035054] NM[820]: <info> (enp3s0): device state change: unavailable -> disconnected (reason 'carrier-changed') [20 30 40]
>>> [   28.035713] NM[820]: <info> Auto-activating connection 'enp3s0'.
>>> [   28.040332] NM[820]: <info> Activation (enp3s0) starting connection 'enp3s0'
>>> [   28.040846] NM[820]: <info> Activation (enp3s0) Stage 1 of 5 (Device Prepare) scheduled...
>>> [   28.041318] NM[820]: <info> Activation (enp3s0) Stage 1 of 5 (Device Prepare) started...
>>> [   28.041776] NM[820]: <info> (enp3s0): device state change: disconnected -> prepare (reason 'none') [30 40 0]
>>> [   28.042246] NM[820]: <info> NetworkManager state is now CONNECTING
>>> [   28.042698] NM[820]: <info> Activation (enp3s0) Stage 2 of 5 (Device Configure) scheduled...
>>> [   28.043182] NM[820]: <info> Activation (enp3s0) Stage 1 of 5 (Device Prepare) complete.
>>> [   28.043634] NM[820]: <info> Activation (enp3s0) Stage 2 of 5 (Device Configure) starting...
>>> [   28.044072] NM[820]: <info> (enp3s0): device state change: prepare -> config (reason 'none') [40 50 0]
>>> [   28.061851] NM[820]: <info> Activation (enp3s0) Stage 2 of 5 (Device Configure) successful.
>>> [   28.062348] NM[820]: <info> Activation (enp3s0) Stage 2 of 5 (Device Configure) complete.
>>> [   28.325821] NM[820]: <info> wpa_supplicant started
>>> [   28.466946] NM[820]: <info> (wlp0s4f1u3) supports 4 scan SSIDs
>>> [   28.467471] NM[820]: <info> (wlp0s4f1u3): supplicant interface state: starting -> ready
>>> [   28.467930] NM[820]: <info> (wlp0s4f1u3): device state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42]
>>> [   28.468893] NM[820]: <info> (wlp0s4f1u3): supplicant interface state: ready -> disconnected
>>> [   28.469370] NM[820]: <info> (wlp0s4f1u3) supports 4 scan SSIDs
>>> [   28.469837] NM[820]: <info> Auto-activating connection 'AP'.
>>> [   28.475692] NM[820]: <info> Activation (wlp0s4f1u3) starting connection 'AP'
>>> [   28.476128] NM[820]: <info> Activation (wlp0s4f1u3) Stage 1 of 5 (Device Prepare) scheduled...
>>> [   28.476311] NM[820]: <info> Activation (wlp0s4f1u3) Stage 1 of 5 (Device Prepare) started...
>>> [   28.476491] NM[820]: <info> (wlp0s4f1u3): device state change: disconnected -> prepare (reason 'none') [30 40 0]
>>> [   28.476672] NM[820]: <info> Activation (wlp0s4f1u3) Stage 2 of 5 (Device Configure) scheduled...
>>> [   28.476852] NM[820]: <info> Activation (wlp0s4f1u3) Stage 1 of 5 (Device Prepare) complete.
>>> [   28.477047] NM[820]: <info> Activation (wlp0s4f1u3) Stage 2 of 5 (Device Configure) starting...
>>> [   28.477225] NM[820]: <info> (wlp0s4f1u3): device state change: prepare -> config (reason 'none') [40 50 0]
>>> [   28.477400] NM[820]: <info> Activation (wlp0s4f1u3/wireless): connection 'AP' has security, and secrets exist.  No new secrets needed.
>>> [   28.477574] NM[820]: <info> Config: added 'ssid' value 'RTL8188SU(rtl8192su)'
>>> [   28.477750] NM[820]: <info> Config: added 'mode' value '2'
>>> [   28.477925] NM[820]: <info> Config: added 'frequency' value '2412'
>>> [   28.478111] NM[820]: <info> Config: added 'key_mgmt' value 'WPA-PSK'
>>> [   28.478286] NM[820]: <info> Config: added 'psk' value '<omitted>'
>>> [   28.478459] NM[820]: <info> Config: added 'proto' value 'RSN'
>>> [   28.478632] NM[820]: <info> Config: added 'pairwise' value 'CCMP'
>>> [   28.478809] NM[820]: <info> Activation (wlp0s4f1u3) Stage 2 of 5 (Device Configure) complete.
>>> [   28.478982] NM[820]: <info> Config: set interface ap_scan to 2
>>> [   28.738684] NM[820]: <info> (wlp0s4f1u3): supplicant interface state: disconnected -> completed
>>> [   28.738891] NM[820]: <info> Activation (wlp0s4f1u3/wireless) Stage 2 of 5 (Device Configure) successful.  Started Wi-Fi Hotspot 'RTL8188SU(rtl8192su)'.
>>> [   34.977083] NM[820]: <info> Activation (enp3s0) Stage 3 of 5 (IP Configure Start) scheduled.
>>> [   34.977610] NM[820]: <info> Activation (enp3s0) Stage 3 of 5 (IP Configure Start) started...
>>> [   34.978096] NM[820]: <info> (enp3s0): device state change: config -> ip-config (reason 'none') [50 70 0]
>>> [   34.978554] NM[820]: <info> Activation (enp3s0) Beginning DHCPv4 transaction (timeout in 45 seconds)
>>> [   35.304547] NM[820]: <info> dhclient started with pid 1395
>>> [   35.305087] NM[820]: <info> Activation (enp3s0) Stage 3 of 5 (IP Configure Start) complete.
>>> [   35.306502] NM[820]: <info> Activation (wlp0s4f1u3) Stage 3 of 5 (IP Configure Start) scheduled.
>>> [   35.306985] NM[820]: <info> Activation (wlp0s4f1u3) Stage 3 of 5 (IP Configure Start) started...
>>> [   35.307480] NM[820]: <info> (wlp0s4f1u3): device state change: config -> ip-config (reason 'none') [50 70 0]
>>> [   35.307976] NM[820]: <info> Activation (wlp0s4f1u3) Stage 5 of 5 (IPv4 Configure Commit) scheduled...
>>> [   35.308447] NM[820]: <info> Activation (wlp0s4f1u3) Stage 3 of 5 (IP Configure Start) complete.
>>> [   35.308937] NM[820]: <info> Activation (wlp0s4f1u3) Stage 5 of 5 (IPv4 Commit) started...
>>> [   35.490657] dhclient[1395]: Internet Systems Consortium DHCP Client 4.3.1
>>> [   35.491211] dhclient[1395]: Copyright 2004-2014 Internet Systems Consortium.
>>> [   35.491674] dhclient[1395]: All rights reserved.
>>> [   35.492147] dhclient[1395]: For info, please visit https://www.isc.org/software/dhcp/
>>> [   35.492592] dhclient[1395]: 
>>> [   35.493078] NM[820]: Internet Systems Consortium DHCP Client 4.3.1
>>> [   35.493519] NM[820]: Copyright 2004-2014 Internet Systems Consortium.
>>> [   35.493950] NM[820]: All rights reserved.
>>> [   35.494211] NM[820]: For info, please visit https://www.isc.org/software/dhcp/
>>> [   36.725988] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert INPUT --in-interface wlp0s4f1u3 --protocol tcp --destination-port 53 --jump ACCEPT
>>> [   36.733764] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert INPUT --in-interface wlp0s4f1u3 --protocol udp --destination-port 53 --jump ACCEPT
>>> [   36.752064] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert INPUT --in-interface wlp0s4f1u3 --protocol tcp --destination-port 67 --jump ACCEPT
>>> [   36.757195] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert INPUT --in-interface wlp0s4f1u3 --protocol udp --destination-port 67 --jump ACCEPT
>>> [   36.776083] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert FORWARD --in-interface wlp0s4f1u3 --jump REJECT
>>> [   36.781590] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert FORWARD --out-interface wlp0s4f1u3 --jump REJECT
>>> [   36.786875] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert FORWARD --in-interface wlp0s4f1u3 --out-interface wlp0s4f1u3 --jump ACCEPT
>>> [   36.789805] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert FORWARD --source 10.42.0.0/255.255.255.0 --in-interface wlp0s4f1u3 --jump ACCEPT
>>> [   36.792748] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert FORWARD --destination 10.42.0.0/255.255.255.0 --out-interface wlp0s4f1u3 --match state --state ESTABLISHED,RELATED --jump ACCEPT
>>> [   38.812843] NM[820]: <info> Executing: /usr/sbin/iptables --table nat --insert POSTROUTING --source 10.42.0.0/255.255.255.0 ! --destination 10.42.0.0/255.255.255.0 --jump MASQUERADE
>>> [   38.816972] NM[820]: <info> Starting dnsmasq...
>>> [   38.818556] NM[820]: <info> (wlp0s4f1u3): device state change: ip-config -> ip-check (reason 'none') [70 80 0]
>>> [   38.818941] NM[820]: <info> Activation (wlp0s4f1u3) Stage 5 of 5 (IPv4 Commit) complete.
>>> [   38.822707] NM[820]: <info> (enp3s0): DHCPv4 state changed nbi -> preinit
>>> [   38.825233] NM[820]: <info> (wlp0s4f1u3): device state change: ip-check -> secondaries (reason 'none') [80 90 0]
>>> [   38.826026] NM[820]: <info> (wlp0s4f1u3): device state change: secondaries -> activated (reason 'none') [90 100 0]
>>> [   38.881776] dhclient[1395]: Listening on LPF/enp3s0/00:12:34:56:78:30
>>> [   38.882317] dhclient[1395]: Sending on   LPF/enp3s0/00:12:34:56:78:30
>>> [   38.882777] dhclient[1395]: Sending on   Socket/fallback
>>> [   38.883995] dhclient[1395]: DHCPREQUEST on enp3s0 to 255.255.255.255 port 67 (xid=0x9c4e1f)
>>> [   38.884524] dhclient[1395]: DHCPACK from 192.168.2.1 (xid=0x9c4e1f)
>>> [   38.885027] NM[820]: Listening on LPF/enp3s0/00:12:34:56:78:30
>>> [   38.885471] NM[820]: Sending on   LPF/enp3s0/00:12:34:56:78:30
>>> [   38.885903] NM[820]: Sending on   Socket/fallback
>>> [   38.886356] NM[820]: DHCPREQUEST on enp3s0 to 255.255.255.255 port 67 (xid=0x9c4e1f)
>>> [   38.886787] NM[820]: DHCPACK from 192.168.2.1 (xid=0x9c4e1f)
>>> [   39.008666] dnsmasq[1416]: started, version 2.72 cachesize 150
>>> [   39.009255] dnsmasq[1416]: compile time options: IPv6 GNU-getopt DBus no-i18n IDN DHCP DHCPv6 no-Lua TFTP no-conntrack ipset auth DNSSEC loop-detect
>>> [   39.009719] dnsmasq-dhcp[1416]: DHCP, IP range 10.42.0.10 -- 10.42.0.254, lease time 1h
>>> [   39.010186] dnsmasq[1416]: reading /etc/resolv.conf
>>> [   39.010634] dnsmasq[1416]: using nameserver 192.168.2.1#53
>>> [   39.012048] dnsmasq[1416]: cleared cache
>>> [   44.464210] NM[820]: <info> Activation (wlp0s4f1u3) successful, device activated.
>>> [   44.470643] NM[820]: <info> (enp3s0): DHCPv4 state changed preinit -> reboot
>>> [   44.472389] NM[820]: <info>   address 192.168.2.35
>>> [   44.472910] NM[820]: <info>   plen 24 (255.255.255.0)
>>> [   44.473421] NM[820]: <info>   gateway 192.168.2.1
>>> [   44.473892] NM[820]: <info>   server identifier 192.168.2.1
>>> [   44.474382] NM[820]: <info>   lease time 600
>>> [   44.474841] NM[820]: <info>   nameserver '192.168.2.1'
>>> [   44.476312] NM[820]: <info> Activation (enp3s0) Stage 5 of 5 (IPv4 Configure Commit) scheduled...
>>> [   44.476428] NM[820]: <info> Activation (enp3s0) Stage 5 of 5 (IPv4 Commit) started...
>>> [   44.476548] NM[820]: <info> (enp3s0): device state change: ip-config -> ip-check (reason 'none') [70 80 0]
>>> [   44.476664] NM[820]: <info> Activation (enp3s0) Stage 5 of 5 (IPv4 Commit) complete.
>>> [   44.476782] NM[820]: <info> (enp3s0): device state change: ip-check -> secondaries (reason 'none') [80 90 0]
>>> [   44.476897] NM[820]: <info> (enp3s0): device state change: secondaries -> activated (reason 'none') [90 100 0]
>>> [   44.477060] NM[820]: <info> NetworkManager state is now CONNECTED_LOCAL
>>> [   44.671564] dhclient[1395]: bound to 192.168.2.35 -- renewal in 253 seconds.
>>> [   44.672104] NM[820]: bound to 192.168.2.35 -- renewal in 253 seconds.
>>> [   44.672581] NM[820]: <info> NetworkManager state is now CONNECTED_GLOBAL
>>> [   44.673074] NM[820]: <info> Policy set 'enp3s0' (enp3s0) as default for IPv4 routing and DNS.
>>> [   44.719277] NM[820]: <info> Activation (enp3s0) successful, device activated.
>>> [   44.721265] NM[820]: <info> startup complete
>>> [   95.712977] dnsmasq[1416]: reading /etc/resolv.conf
>>> [   95.713657] dnsmasq[1416]: using nameserver 192.168.2.1#53
>>> [   95.715255] dnsmasq[1416]: cleared cache
>>> [  217.044170] dnsmasq-dhcp[1416]: DHCPREQUEST(wlp0s4f1u3) 10.42.0.77 00:22:44:66:88:aa
>>> [  217.044896] dnsmasq-dhcp[1416]: DHCPACK(wlp0s4f1u3) 10.42.0.77 00:22:44:66:88:aa android-0123456789abcdef
>>> ...
>>> [ 1240.752553] dnsmasq-dhcp[1416]: DHCPREQUEST(wlp0s4f1u3) 10.42.0.77 00:22:44:66:88:aa
>>> [ 1240.813416] dnsmasq-dhcp[1416]: DHCPACK(wlp0s4f1u3) 10.42.0.77 00:22:44:66:88:aa android-0123456789abcdef
>>> ...
>>> [ 1408.894826] dnsmasq-dhcp[1416]: DHCPREQUEST(wlp0s4f1u3) 10.42.0.77 00:22:44:66:88:aa
>>> [ 1408.895557] dnsmasq-dhcp[1416]: DHCPACK(wlp0s4f1u3) 10.42.0.77 00:22:44:66:88:aa android-0123456789abcdef
>>>
>>> - systemctl suspend
>>>           & resume(S3)
>>>
>>> [ 1689.325793] NM[820]: <info> (wlp0s4f1u3): device state change: activated -> unmanaged (reason 'removed') [100 10 36]
>>> [ 1689.325961] NM[820]: <info> (wlp0s4f1u3): deactivating device (reason 'removed') [36]
>>> [ 1689.326448] NM[820]: <info> radio killswitch /sys/devices/pci0000:00/0000:00:04.1/usb2/2-3/2-3:1.0/ieee80211/phy0/rfkill0 disappeared
>>> [ 1689.326580] NM[820]: <info> (wlp0s4f1u3): using nl80211 for WiFi device control
>>> [ 1689.326709] NM[820]: <info> (wlp0s4f1u3): driver supports Access Point (AP) mode
>>> [ 1689.326834] NM[820]: <info> (wlp0s4f1u3): new 802.11 WiFi device (driver: 'rtl8192su' ifindex: 5)
>>> [ 1689.326966] NM[820]: <info> (wlp0s4f1u3): exported as /org/freedesktop/NetworkManager/Devices/3
>>> [ 1689.327098] NM[820]: <info> (wlp0s4f1u3): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
>>> [ 1689.327223] NM[820]: <info> (wlp0s4f1u3): preparing device
>>> [ 1689.328176] NM[820]: <info> rfkill1: found WiFi radio killswitch (at /sys/devices/pci0000:00/0000:00:04.1/usb2/2-3/2-3:1.0/ieee80211/phy1/rfkill1) (driver rtl8192su)
>>> [ 1689.329155] NM[820]: <info> Executing: /usr/sbin/iptables --table nat --delete POSTROUTING --source 10.42.0.0/255.255.255.0 ! --destination 10.42.0.0/255.255.255.0 --jump MASQUERADE
>>> [ 1689.331088] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --delete FORWARD --destination 10.42.0.0/255.255.255.0 --out-interface wlp0s4f1u3 --match state --state ESTABLISHED,RELATED --jump ACCEPT
>>> [ 1689.334823] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --delete FORWARD --source 10.42.0.0/255.255.255.0 --in-interface wlp0s4f1u3 --jump ACCEPT
>>> [ 1689.336627] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --delete FORWARD --in-interface wlp0s4f1u3 --out-interface wlp0s4f1u3 --jump ACCEPT
>>> [ 1689.338561] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --delete FORWARD --out-interface wlp0s4f1u3 --jump REJECT
>>> [ 1689.341038] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --delete FORWARD --in-interface wlp0s4f1u3 --jump REJECT
>>> [ 1689.343125] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --delete INPUT --in-interface wlp0s4f1u3 --protocol udp --destination-port 67 --jump ACCEPT
>>> [ 1689.380119] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --delete INPUT --in-interface wlp0s4f1u3 --protocol tcp --destination-port 67 --jump ACCEPT
>>> [ 1689.385774] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --delete INPUT --in-interface wlp0s4f1u3 --protocol udp --destination-port 53 --jump ACCEPT
>>> [ 1690.325415] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --delete INPUT --in-interface wlp0s4f1u3 --protocol tcp --destination-port 53 --jump ACCEPT
>>> [ 1690.336827] NM[820]: <info> (wlp0s4f1u3) supports 4 scan SSIDs
>>> [ 1690.337091] NM[820]: <info> (wlp0s4f1u3): supplicant interface state: starting -> ready
>>> [ 1690.337297] NM[820]: <info> (wlp0s4f1u3): device state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42]
>>> [ 1690.337493] NM[820]: <info> (wlp0s4f1u3): supplicant interface state: ready -> disconnected
>>> [ 1690.337686] NM[820]: <info> (wlp0s4f1u3) supports 4 scan SSIDs
>>> [ 1690.337884] NM[820]: <info> Auto-activating connection 'AP'.
>>> [ 1690.338085] NM[820]: <info> Activation (wlp0s4f1u3) starting connection 'AP'
>>> [ 1690.338281] NM[820]: <info> Activation (wlp0s4f1u3) Stage 1 of 5 (Device Prepare) scheduled...
>>> [ 1690.338472] NM[820]: <info> Activation (wlp0s4f1u3) Stage 1 of 5 (Device Prepare) started...
>>> [ 1690.338672] NM[820]: <info> (wlp0s4f1u3): device state change: disconnected -> prepare (reason 'none') [30 40 0]
>>> [ 1690.338865] NM[820]: <info> Activation (wlp0s4f1u3) Stage 2 of 5 (Device Configure) scheduled...
>>> [ 1690.339062] NM[820]: <info> Activation (wlp0s4f1u3) Stage 1 of 5 (Device Prepare) complete.
>>> [ 1690.339257] NM[820]: <info> Activation (wlp0s4f1u3) Stage 2 of 5 (Device Configure) starting...
>>> [ 1690.339452] NM[820]: <info> (wlp0s4f1u3): device state change: prepare -> config (reason 'none') [40 50 0]
>>> [ 1690.343841] NM[820]: <info> Activation (wlp0s4f1u3/wireless): access point 'AP' has security, but secrets are required.
>>> [ 1690.344110] NM[820]: <info> (wlp0s4f1u3): device state change: config -> need-auth (reason 'none') [50 60 0]
>>> [ 1690.344304] NM[820]: <info> Activation (wlp0s4f1u3) Stage 2 of 5 (Device Configure) complete.
>>> [ 1690.344436] NM[820]: <info> Activation (wlp0s4f1u3) Stage 1 of 5 (Device Prepare) scheduled...
>>> [ 1690.348812] NM[820]: <info> Activation (wlp0s4f1u3) Stage 1 of 5 (Device Prepare) started...
>>> [ 1690.348980] NM[820]: <info> (wlp0s4f1u3): device state change: need-auth -> prepare (reason 'none') [60 40 0]
>>> [ 1690.349130] NM[820]: <info> Activation (wlp0s4f1u3) Stage 2 of 5 (Device Configure) scheduled...
>>> [ 1690.349260] NM[820]: <info> Activation (wlp0s4f1u3) Stage 1 of 5 (Device Prepare) complete.
>>> [ 1690.349389] NM[820]: <info> Activation (wlp0s4f1u3) Stage 2 of 5 (Device Configure) starting...
>>> [ 1690.349519] NM[820]: <info> (wlp0s4f1u3): device state change: prepare -> config (reason 'none') [40 50 0]
>>> [ 1690.349653] NM[820]: <info> Activation (wlp0s4f1u3/wireless): connection 'AP' has security, and secrets exist.  No new secrets needed.
>>> [ 1690.349783] NM[820]: <info> Config: added 'ssid' value 'RTL8188SU(rtl8192su)'
>>> [ 1690.349911] NM[820]: <info> Config: added 'mode' value '2'
>>> [ 1690.350052] NM[820]: <info> Config: added 'frequency' value '2412'
>>> [ 1690.350186] NM[820]: <info> Config: added 'key_mgmt' value 'WPA-PSK'
>>> [ 1690.350311] NM[820]: <info> Config: added 'psk' value '<omitted>'
>>> [ 1690.350440] NM[820]: <info> Config: added 'proto' value 'RSN'
>>> [ 1690.350567] NM[820]: <info> Config: added 'pairwise' value 'CCMP'
>>> [ 1690.350692] NM[820]: <info> Activation (wlp0s4f1u3) Stage 2 of 5 (Device Configure) complete.
>>> [ 1690.355138] NM[820]: <info> Config: set interface ap_scan to 2
>>> [ 1690.439942] NM[820]: <info> (wlp0s4f1u3): supplicant interface state: disconnected -> completed
>>> [ 1690.440552] NM[820]: <info> Activation (wlp0s4f1u3/wireless) Stage 2 of 5 (Device Configure) successful.  Started Wi-Fi Hotspot 'RTL8188SU(rtl8192su)'.
>>> [ 1690.496432] NM[820]: <info> Activation (wlp0s4f1u3) Stage 3 of 5 (IP Configure Start) scheduled.
>>> [ 1690.497084] NM[820]: <info> Activation (wlp0s4f1u3) Stage 3 of 5 (IP Configure Start) started...
>>> [ 1690.497617] NM[820]: <info> (wlp0s4f1u3): device state change: config -> ip-config (reason 'none') [50 70 0]
>>> [ 1690.498145] NM[820]: <info> Activation (wlp0s4f1u3) Stage 5 of 5 (IPv4 Configure Commit) scheduled...
>>> [ 1690.498669] NM[820]: <info> Activation (wlp0s4f1u3) Stage 3 of 5 (IP Configure Start) complete.
>>> [ 1690.499196] NM[820]: <info> Activation (wlp0s4f1u3) Stage 5 of 5 (IPv4 Commit) started...
>>> [ 1690.519773] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert INPUT --in-interface wlp0s4f1u3 --protocol tcp --destination-port 53 --jump ACCEPT
>>> [ 1690.522189] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert INPUT --in-interface wlp0s4f1u3 --protocol udp --destination-port 53 --jump ACCEPT
>>> [ 1690.550111] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert INPUT --in-interface wlp0s4f1u3 --protocol tcp --destination-port 67 --jump ACCEPT
>>> [ 1690.555813] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert INPUT --in-interface wlp0s4f1u3 --protocol udp --destination-port 67 --jump ACCEPT
>>> [ 1690.573980] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert FORWARD --in-interface wlp0s4f1u3 --jump REJECT
>>> [ 1690.577369] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert FORWARD --out-interface wlp0s4f1u3 --jump REJECT
>>> [ 1690.580764] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert FORWARD --in-interface wlp0s4f1u3 --out-interface wlp0s4f1u3 --jump ACCEPT
>>> [ 1690.585441] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert FORWARD --source 10.42.0.0/255.255.255.0 --in-interface wlp0s4f1u3 --jump ACCEPT
>>> [ 1690.587979] NM[820]: <info> Executing: /usr/sbin/iptables --table filter --insert FORWARD --destination 10.42.0.0/255.255.255.0 --out-interface wlp0s4f1u3 --match state --state ESTABLISHED,RELATED --jump ACCEPT
>>> [ 1690.590492] NM[820]: <info> Executing: /usr/sbin/iptables --table nat --insert POSTROUTING --source 10.42.0.0/255.255.255.0 ! --destination 10.42.0.0/255.255.255.0 --jump MASQUERADE
>>> [ 1690.592764] NM[820]: <info> Starting dnsmasq...
>>> [ 1690.593692] NM[820]: <info> (wlp0s4f1u3): device state change: ip-config -> ip-check (reason 'none') [70 80 0]
>>> [ 1690.594290] NM[820]: <info> Activation (wlp0s4f1u3) Stage 5 of 5 (IPv4 Commit) complete.
>>> [ 1690.595395] dnsmasq[3442]: started, version 2.72 cachesize 150
>>> [ 1690.595629] dnsmasq[3442]: compile time options: IPv6 GNU-getopt DBus no-i18n IDN DHCP DHCPv6 no-Lua TFTP no-conntrack ipset auth DNSSEC loop-detect
>>> [ 1690.595822] dnsmasq-dhcp[3442]: DHCP, IP range 10.42.0.10 -- 10.42.0.254, lease time 1h
>>> [ 1690.596021] dnsmasq[3442]: reading /etc/resolv.conf
>>> [ 1690.596216] dnsmasq[3442]: using nameserver 192.168.2.1#53
>>> [ 1690.596793] dnsmasq[3442]: cleared cache
>>> [ 1690.596982] NM[820]: <info> (wlp0s4f1u3): device state change: ip-check -> secondaries (reason 'none') [80 90 0]
>>> [ 1690.597182] NM[820]: <info> (wlp0s4f1u3): device state change: secondaries -> activated (reason 'none') [90 100 0]
>>> [ 1691.068838] NM[820]: <info> Activation (wlp0s4f1u3) successful, device activated.
>>> [ 1698.780512] dnsmasq-dhcp[3442]: DHCPREQUEST(wlp0s4f1u3) 10.42.0.77 00:22:44:66:88:aa
>>> [ 1698.781136] dnsmasq-dhcp[3442]: DHCPACK(wlp0s4f1u3) 10.42.0.77 00:22:44:66:88:aa android-0123456789abcdef
>>>
>>> ~~~~~~~
>>>
>>> - dmesg
>>>
>>> [    2.126073] usb 2-3: new high-speed USB device number 3 using ehci-pci
>>> [    2.242873] usb 2-3: New USB device found, idVendor=0bda, idProduct=8171
>>> [    2.242880] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
>>> [    2.242883] usb 2-3: Product: RTL8188S WLAN Adapter 
>>> [    2.242885] usb 2-3: Manufacturer: Manufacturer Realtek 
>>> [    2.242887] usb 2-3: SerialNumber: 00e04c000001
>>> [   20.134415] rtlwifi: module verification failed: signature and/or  required key missing - tainting kernel
>>> [   20.517392] rtl8192s_common: Chip version 0x3
>>> [   20.686391] rtl_usb: rx_max_size 9100, rx_urb_num 8, in_ep 3
>>> [   20.687057] rtl8192su: Power Save off (module option)
>>> [   20.687639] rtl8192su: FW Power Save off (module option)
>>> [   20.688394] rtl8192su: Driver for Realtek RTL8192SU/RTL8191SU
>>> Loading firmware rtlwifi/rtl8192sufw.bin
>>> [   20.689751] usbcore: registered new interface driver rtl8192su
>>> [   20.850838] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
>>> [   20.854551] rtl8192su 2-3:1.0 wlp0s4f1u3: renamed from wlan0
>>>
>>> - systemctl suspend
>>>
>>> [ 1679.990678] PM: Preparing system for mem sleep
>>> [ 1680.178832] Freezing user space processes ... (elapsed 0.048 seconds) done.
>>> [ 1680.226937] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
>>> [ 1680.228270] PM: Entering mem sleep
>>> [ 1680.228299] Suspending console(s) (use no_console_suspend to debug)
>>> [ 1682.772451] PM: suspend of devices complete after 2543.533 msecs
>>> [ 1682.773864] PM: late suspend of devices complete after 1.407 msecs
>>> [ 1682.775348] ehci-pci 0000:00:02.1: System wakeup enabled by ACPI
>>> [ 1682.786410] PM: noirq suspend of devices complete after 12.536 msecs
>>> [ 1682.787692] ACPI: Preparing to enter system sleep state S3
>>> [ 1682.788861] PM: Saving platform NVS memory
>>>
>>>           & resume(S3)
>>>
>>> [ 1682.798859] ACPI: Low-level resume complete
>>> [ 1682.798924] PM: Restoring platform NVS memory
>>> [ 1682.844566] ACPI: Waking up from system sleep state S3
>>> [ 1682.855147] ehci-pci 0000:00:02.1: System wakeup disabled by ACPI
>>> [ 1682.856186] PM: noirq resume of devices complete after 11.457 msecs
>>> [ 1682.856759] PM: early resume of devices complete after 0.531 msecs
>>> [ 1683.074063] PM: resume of devices complete after 217.286 msecs
>>> [ 1683.074332] rtl8192s_common: Chip version 0x3
>>> [ 1683.218439] rtl_usb: rx_max_size 9100, rx_urb_num 8, in_ep 3
>>> [ 1683.218484] rtl8192su: Power Save off (module option)
>>> [ 1683.218485] rtl8192su: FW Power Save off (module option)
>>> [ 1683.218694] rtl8192su: Driver for Realtek RTL8192SU/RTL8191SU
>>> Loading firmware rtlwifi/rtl8192sufw.bin
>>> [ 1683.219176] ieee80211 phy1: Selected rate control algorithm 'rtl_rc'
>>> [ 1683.234998] PM: Finishing wakeup.
>>> [ 1683.235003] Restarting tasks ... done.
>>> [ 1683.258259] rtl8192su 2-3:1.0 wlp0s4f1u3: renamed from wlan0
>>> [ 1683.270928] IPv6: ADDRCONF(NETDEV_UP): wlp0s4f1u3: link is not ready
>>> [ 1684.238973] IPv6: ADDRCONF(NETDEV_UP): wlp0s4f1u3: link is not ready
>>> [ 1684.401143] r8169 0000:03:00.0 enp3s0: link up
>>> [ 1691.249718] IPv6: ADDRCONF(NETDEV_UP): wlp0s4f1u3: link is not ready
>>> [ 1691.376981] IPv6: ADDRCONF(NETDEV_CHANGE): wlp0s4f1u3: link becomes ready
>>>
>>> ~~~~~~~~~~~~~~~~~~~~
>>>
>>> http://goo.gl/3O3Tz4
>>>
>>>
>>> poma
>>>
>>>
>>> --
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