From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A74FC43334 for ; Tue, 14 Jun 2022 17:07:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235750AbiFNRHX (ORCPT ); Tue, 14 Jun 2022 13:07:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234474AbiFNRHT (ORCPT ); Tue, 14 Jun 2022 13:07:19 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id E3508B6 for ; Tue, 14 Jun 2022 10:07:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1655226436; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mp0VzrK5BtHanNi7VZbWPXMeHyGQHr9WEMrhnKm8eWg=; b=jF281h+qTOi27f/8FJsOWulihOojyVxjJ3TdHVBt+IZG+zytVUrFHXnuyrlYhTx+K0RqIO w9FIltOnSAaB+Mhy9HikcJAJUTFol4ycHyCtwCJl77y9ErLNlCvARRbKxNJxIC8H3bJI2X xBiA8g3bUeKGoFwtnrmX9cCR/yg+JnQ= Received: from mail-qv1-f69.google.com (mail-qv1-f69.google.com [209.85.219.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-450-6CTGy283OrCwv7Zo3K3a6A-1; Tue, 14 Jun 2022 13:07:14 -0400 X-MC-Unique: 6CTGy283OrCwv7Zo3K3a6A-1 Received: by mail-qv1-f69.google.com with SMTP id r14-20020ad4576e000000b0046bbacd783bso6346714qvx.14 for ; Tue, 14 Jun 2022 10:07:14 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=mp0VzrK5BtHanNi7VZbWPXMeHyGQHr9WEMrhnKm8eWg=; b=f2cetgirRXc5hGjPgmc2ovBH1gaHq5T4oc/OigOluZlWBGavsL2Q9bn4/f17HXJdVE CFGCbSVAD9jhbcn4qsM+Yq92JrPjCoztdHgMgKZXg7jZf3HPdAb9v0CP3t00jLoLzMHY ZcePmKkGJRZtEwQ2XnIegaYeYhiHKT0X/B3+3C63fRuh8j0DFhG/B1JDMJWSfgFUgZ9F SybupuvuQeuZ9Sa/GaRD7tRHnIqp7S25CpqHiz2/EeJApf6e/HrYs36ZU2fNDW61uBS9 /zaWP/fW2L1L7gRiWVFIhWTE5T2AApeWiXmgni+hWNO1vUP2n6zVsVQaz1hltgXLfRPN 9Zkw== X-Gm-Message-State: AOAM533wuO0ApXtbPIiit81H/51tWfiGvQI04D+7RnydYXzQiRurhTFH ocH3zBcIjd8ur9GatWOiPEV3F2XhzB/3U7APtK+nBgH6bjEkiWQBwvsKWVXKeDkFjiVoYW2oAOn 3CAf+ozIbQ7U+ZncV X-Received: by 2002:ac8:5a50:0:b0:305:20c4:791d with SMTP id o16-20020ac85a50000000b0030520c4791dmr5062432qta.437.1655226433401; Tue, 14 Jun 2022 10:07:13 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwph2dMhZyUSODsJjioctzmGJ/wHXT/czbIS7Ax/52fFOcgYT2OfQvt2l9fJr+kFSNxpM2qsA== X-Received: by 2002:ac8:5a50:0:b0:305:20c4:791d with SMTP id o16-20020ac85a50000000b0030520c4791dmr5062394qta.437.1655226432934; Tue, 14 Jun 2022 10:07:12 -0700 (PDT) Received: from [192.168.98.18] ([107.12.98.143]) by smtp.gmail.com with ESMTPSA id r18-20020a05620a299200b006a746826feesm10355130qkp.120.2022.06.14.10.07.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Jun 2022 10:07:12 -0700 (PDT) Message-ID: <0ea8519c-4289-c409-2e31-44574cdefde3@redhat.com> Date: Tue, 14 Jun 2022 13:07:11 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: Any reason why arp monitor keeps emitting netlink failover events? Content-Language: en-US To: Jay Vosburgh Cc: "netdev@vger.kernel.org" , Veaceslav Falico , Andy Gospodarek , Hangbin Liu References: <10584.1655220562@famine> From: Jonathan Toppins In-Reply-To: <10584.1655220562@famine> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 6/14/22 11:29, Jay Vosburgh wrote: > Jonathan Toppins wrote: > >> On net-next/master from today, I see netlink failover events being emitted >>from an active-backup bond. In the ip monitor dump you can see the bond is >> up (according to the link status) but keeps emitting failover events and I >> am not sure why. This appears to be an issue also on Fedora 35 and CentOS >> 8 kernels. The configuration appears to be correct, though I could be >> missing something. Thoughts? > > Anything showing up in the dmesg? There's only one place that > generates the FAILOVER notifier, and it ought to have a corresponding > message in the kernel log. > > Also, I note that the link1_1 veth has a lot of failures: Yes all those failures are created by the setup, I waited about 5 minutes before dumping the link info. The failover occurs about every second. Note this is just a representation of a physical network so that others can run the setup. The script `bond-bz2094911.sh`, easily reproduces the issue which I dumped with cat below in the original email. Here is the kernel log, I have dynamic debug enabled for the entire bonding module: [66898.926972] bond0: bond_netdev_event received NETDEV_BONDING_FAILOVER [66898.926978] bond0: bond_master_netdev_event called [66898.928717] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66898.928744] bond0: bond_netdev_event received NETDEV_NOTIFY_PEERS [66898.928746] bond0: bond_master_netdev_event called [66898.928839] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66898.928853] bond0: (slave link1_1): bond_arp_send_all: target 192.168.30.7 [66898.928867] bond0: (slave link1_1): arp 1 on slave: dst 192.168.30.7 src 192.168.30.10 [66898.928915] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66898.928919] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66898.928920] bond0: (slave link1_1): bond_arp_rcv: link1_1/0 av 1 sv 1 sip 192.168.30.7 tip 192.168.30.10 [66898.928948] bond0: (slave link1_1): bond_arp_send_all: target 192.168.30.5 [66898.928954] bond0: (slave link1_1): arp 1 on slave: dst 192.168.30.5 src 192.168.30.10 [66898.929045] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66898.929050] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66898.929051] bond0: (slave link1_1): bond_arp_rcv: link1_1/0 av 1 sv 1 sip 192.168.30.5 tip 192.168.30.10 [66898.932441] bond0: (slave link1_1): bond_slave_netdev_event called [66898.932449] bond0: (slave link2_1): bond_slave_netdev_event called [66898.934145] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66898.935030] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66898.935043] bond0: bond_netdev_event received NETDEV_RESEND_IGMP [66898.935045] bond0: bond_master_netdev_event called [66899.982620] bond0: (slave link1_1): bond_arp_send_all: target 192.168.30.7 [66899.982661] bond0: (slave link1_1): arp 1 on slave: dst 192.168.30.7 src 192.168.30.10 [66899.982894] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66899.982909] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66899.982913] bond0: (slave link1_1): bond_arp_rcv: link1_1/0 av 1 sv 1 sip 192.168.30.7 tip 192.168.30.10 [66899.983110] bond0: (slave link1_1): bond_arp_send_all: target 192.168.30.5 [66899.983130] bond0: (slave link1_1): arp 1 on slave: dst 192.168.30.5 src 192.168.30.10 [66899.983247] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66899.983258] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66899.983262] bond0: (slave link1_1): bond_arp_rcv: link1_1/0 av 1 sv 1 sip 192.168.30.5 tip 192.168.30.10 [66901.006314] bond0: (slave link1_1): bond_arp_send_all: target 192.168.30.7 [66901.006347] bond0: (slave link1_1): arp 1 on slave: dst 192.168.30.7 src 192.168.30.10 [66901.006495] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66901.006507] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66901.006511] bond0: (slave link1_1): bond_arp_rcv: link1_1/0 av 1 sv 1 sip 192.168.30.7 tip 192.168.30.10 [66901.006573] bond0: (slave link1_1): bond_arp_send_all: target 192.168.30.5 [66901.006587] bond0: (slave link1_1): arp 1 on slave: dst 192.168.30.5 src 192.168.30.10 [66901.006679] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66901.006688] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66901.006691] bond0: (slave link1_1): bond_arp_rcv: link1_1/0 av 1 sv 1 sip 192.168.30.5 tip 192.168.30.10 [66902.031207] bond0: (slave link1_1): bond_slave_netdev_event called [66902.033041] bond0: (slave link1_1): bond_slave_netdev_event called [66902.033045] bond0: (slave link1_1): link status definitely down, disabling slave [66902.033052] bond0: (slave link2_1): making interface the new active one [66902.035774] bond0: (slave link2_1): bond_slave_netdev_event called [66902.035790] bond0: (slave link2_1): bond_slave_netdev_event called [66902.038924] bond0: (slave link2_1): bond_slave_netdev_event called [66902.038954] bond0: (slave link1_1): bond_slave_netdev_event called [66902.042318] bond0: (slave link1_1): bond_slave_netdev_event called [66902.042343] bond0: bond_should_notify_peers: slave link2_1 [66902.044818] bond0: bond_netdev_event received NETDEV_BONDING_FAILOVER [66902.044822] bond0: bond_master_netdev_event called [66902.046611] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66902.046623] bond0: bond_netdev_event received NETDEV_NOTIFY_PEERS [66902.046626] bond0: bond_master_netdev_event called [66902.046710] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66902.046723] bond0: (slave link2_1): bond_arp_send_all: target 192.168.30.7 [66902.046754] bond0: (slave link2_1): arp 1 on slave: dst 192.168.30.7 src 192.168.30.10 [66902.046807] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66902.046812] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66902.046813] bond0: (slave link2_1): bond_arp_rcv: link2_1/0 av 1 sv 1 sip 192.168.30.7 tip 192.168.30.10 [66902.046841] bond0: (slave link2_1): bond_arp_send_all: target 192.168.30.5 [66902.046848] bond0: (slave link2_1): arp 1 on slave: dst 192.168.30.5 src 192.168.30.10 [66902.046892] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66902.046896] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66902.046897] bond0: (slave link2_1): bond_arp_rcv: link2_1/0 av 1 sv 1 sip 192.168.30.5 tip 192.168.30.10 [66902.050879] bond0: (slave link1_1): bond_slave_netdev_event called [66902.050888] bond0: (slave link2_1): bond_slave_netdev_event called [66902.053036] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66902.054391] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66902.054402] bond0: bond_netdev_event received NETDEV_RESEND_IGMP [66902.054405] bond0: bond_master_netdev_event called [66903.056566] bond0: (slave link1_1): bond_slave_netdev_event called [66903.056573] bond0: (slave link1_1): link status definitely up [66903.056585] bond0: (slave link1_1): making interface the new active one [66903.063511] bond0: (slave link2_1): bond_slave_netdev_event called [66903.067482] bond0: (slave link1_1): bond_slave_netdev_event called [66903.067495] bond0: (slave link1_1): bond_slave_netdev_event called [66903.075563] bond0: (slave link1_1): bond_slave_netdev_event called [66903.075622] bond0: (slave link2_1): bond_slave_netdev_event called [66903.081868] bond0: (slave link2_1): bond_slave_netdev_event called [66903.081912] bond0: bond_should_notify_peers: slave link1_1 [66903.085588] bond0: bond_netdev_event received NETDEV_BONDING_FAILOVER [66903.085593] bond0: bond_master_netdev_event called [66903.088050] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66903.088075] bond0: bond_netdev_event received NETDEV_NOTIFY_PEERS [66903.088077] bond0: bond_master_netdev_event called [66903.088132] bond0: (slave link1_1): bond_arp_send_all: target 192.168.30.7 [66903.088147] bond0: (slave link1_1): arp 1 on slave: dst 192.168.30.7 src 192.168.30.10 [66903.088159] bond0: (slave link1_1): bond_arp_send_all: target 192.168.30.5 [66903.088165] bond0: (slave link1_1): arp 1 on slave: dst 192.168.30.5 src 192.168.30.10 [66903.089132] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66903.089139] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66903.089142] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66903.089143] bond0: (slave link1_1): bond_arp_rcv: link1_1/0 av 1 sv 1 sip 192.168.30.7 tip 192.168.30.10 [66903.089170] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66903.089173] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66903.089174] bond0: (slave link1_1): bond_arp_rcv: link1_1/0 av 1 sv 1 sip 192.168.30.5 tip 192.168.30.10 [66903.092128] bond0: (slave link1_1): bond_slave_netdev_event called [66903.092137] bond0: (slave link2_1): bond_slave_netdev_event called [66903.092976] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66903.094791] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66903.094803] bond0: bond_netdev_event received NETDEV_RESEND_IGMP [66903.094805] bond0: bond_master_netdev_event called [66904.142116] bond0: (slave link1_1): bond_arp_send_all: target 192.168.30.7 [66904.142135] bond0: (slave link1_1): arp 1 on slave: dst 192.168.30.7 src 192.168.30.10 [66904.142214] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66904.142219] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66904.142221] bond0: (slave link1_1): bond_arp_rcv: link1_1/0 av 1 sv 1 sip 192.168.30.7 tip 192.168.30.10 [66904.142256] bond0: (slave link1_1): bond_arp_send_all: target 192.168.30.5 [66904.142263] bond0: (slave link1_1): arp 1 on slave: dst 192.168.30.5 src 192.168.30.10 [66904.142307] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66904.142312] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66904.142313] bond0: (slave link1_1): bond_arp_rcv: link1_1/0 av 1 sv 1 sip 192.168.30.5 tip 192.168.30.10 [66905.166309] bond0: (slave link1_1): bond_arp_send_all: target 192.168.30.7 [66905.166356] bond0: (slave link1_1): arp 1 on slave: dst 192.168.30.7 src 192.168.30.10 [66905.166568] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66905.166586] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66905.166591] bond0: (slave link1_1): bond_arp_rcv: link1_1/0 av 1 sv 1 sip 192.168.30.7 tip 192.168.30.10 [66905.166683] bond0: (slave link1_1): bond_arp_send_all: target 192.168.30.5 [66905.166703] bond0: (slave link1_1): arp 1 on slave: dst 192.168.30.5 src 192.168.30.10 [66905.166865] bond0: (slave link2_1): bond_rcv_validate: skb->dev link2_1 [66905.166878] bond0: (slave link1_1): bond_rcv_validate: skb->dev link1_1 [66905.166883] bond0: (slave link1_1): bond_arp_rcv: link1_1/0 av 1 sv 1 sip 192.168.30.5 tip 192.168.30.10 [66906.193475] bond0: (slave link1_1): bond_slave_netdev_event called [66906.198304] bond0: (slave link1_1): bond_slave_netdev_event called [66906.198312] bond0: (slave link1_1): link status definitely down, disabling slave [66906.198328] bond0: (slave link2_1): making interface the new active one [66906.205523] bond0: (slave link2_1): bond_slave_netdev_event called [66906.205557] bond0: (slave link2_1): bond_slave_netdev_event called [66906.212198] bond0: (slave link2_1): bond_slave_netdev_event called [66906.212258] bond0: (slave link1_1): bond_slave_netdev_event called [66906.218529] bond0: (slave link1_1): bond_slave_netdev_event called [66906.218572] bond0: bond_should_notify_peers: slave link2_1 [66906.223263] bond0: bond_netdev_event received NETDEV_BONDING_FAILOVER > >> bond_slave state BACKUP mii_status DOWN link_failure_count 466 > > Perhaps the bridge within netns ns1 is disabling the port for > some reason? > I do not see a specific issue on the bridge port: # ip netns exec ns1 ip -d link show link1_2 10: link1_2@if11: mtu 1500 qdisc noqueue master br0 state UP mode DEFAULT group default qlen 1000 link/ether 6a:0d:5b:0c:e8:ab brd ff:ff:ff:ff:ff:ff link-netnsid 0 promiscuity 1 minmtu 68 maxmtu 65535 veth bridge_slave state forwarding priority 32 cost 2 hairpin off guard off root_block off fastleave off learning on flood on port_id 0x8001 port_no 0x1 designated_port 32769 designated_cost 0 designated_bridge 8000.6a:d:5b:c:e8:ab designated_root 8000.6a:d:5b:c:e8:ab hold_timer 0.00 message_age_timer 0.00 forward_delay_timer 0.00 topology_change_ack 0 config_pending 0 proxy_arp off proxy_arp_wifi off mcast_router 1 mcast_fast_leave off mcast_flood on bcast_flood on mcast_to_unicast off neigh_suppress off group_fwd_mask 0 group_fwd_mask_str 0x0 vlan_tunnel off isolated off locked off addrgenmode eui64 numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 gro_max_size 65536 -Jon >> >> Upstream Commit: >> c04245328dd7 net: make __sys_accept4_file() static >> >> Console Log: >> [root@fedora ~]# cat ./bond-bz2094911.sh >> #!/bin/sh >> >> set -e >> set -x >> >> dmesg -C >> ip -all netns delete || true >> ip link del link1_1 || true >> ip link del link2_1 || true >> modprobe -r bonding >> >> ip link add name link1_1 type veth peer name link1_2 >> ip link add name link2_1 type veth peer name link2_2 >> ip netns add ns1 >> ip netns exec ns1 ip link add name br0 type bridge vlan_filtering 1 >> ip link set link1_2 up netns ns1 >> ip link set link2_2 up netns ns1 >> ip netns exec ns1 ip link set link1_2 master br0 >> ip netns exec ns1 ip link set link2_2 master br0 >> ip netns exec ns1 ip addr add 192.168.30.5/24 dev br0 >> ip netns exec ns1 ip addr add 192.168.30.7/24 dev br0 >> ip netns exec ns1 ip link set br0 up >> ip link add name bond0 type bond mode active-backup arp_all_targets any \ >> arp_ip_target "192.168.30.7,192.168.30.5" arp_interval 1000 \ >> fail_over_mac follow arp_validate active primary_reselect always \ >> primary link1_1 >> ip link set bond0 up >> ip addr add 192.168.30.10/24 dev bond0 >> ifenslave bond0 link1_1 link2_1 >> #ip -ts -o monitor link >> >> >> [root@fedora ~]# ip -ts -o monitor link dev bond0 >> [2022-06-13T22:20:35.289034] [2022-06-13T22:20:35.289846] >> [2022-06-13T22:20:35.289978] [2022-06-13T22:20:35.290089] >> [2022-06-13T22:20:35.290200] [2022-06-13T22:20:35.290311] 14: bond0: >> mtu 1500 qdisc noqueue state UP >> group default event BONDING FAILOVER \ link/ether fe:5b:52:88:61:68 brd >> ff:ff:ff:ff:ff:ff >> [2022-06-13T22:20:35.291055] 14: bond0: >> mtu 1500 qdisc noqueue state UP >> group default event NOTIFY PEERS \ link/ether fe:5b:52:88:61:68 brd >> ff:ff:ff:ff:ff:ff >> [2022-06-13T22:20:35.324494] 14: bond0: >> mtu 1500 qdisc noqueue state UP >> group default event RESEND IGMP \ link/ether fe:5b:52:88:61:68 brd >> ff:ff:ff:ff:ff:ff >> [2022-06-13T22:20:36.312078] [2022-06-13T22:20:36.312296] >> [2022-06-13T22:20:36.312549] [2022-06-13T22:20:36.312670] >> [2022-06-13T22:20:36.312782] [2022-06-13T22:20:36.312893] 14: bond0: >> mtu 1500 qdisc noqueue state UP >> group default event BONDING FAILOVER \ link/ether fe:5b:52:88:61:68 brd >> ff:ff:ff:ff:ff:ff >> [2022-06-13T22:20:36.313134] 14: bond0: >> mtu 1500 qdisc noqueue state UP >> group default event NOTIFY PEERS \ link/ether fe:5b:52:88:61:68 brd >> ff:ff:ff:ff:ff:ff >> [2022-06-13T22:20:36.346157] 14: bond0: >> mtu 1500 qdisc noqueue state UP >> group default event RESEND IGMP \ link/ether fe:5b:52:88:61:68 brd >> ff:ff:ff:ff:ff:ff >> >> [root@fedora tests]# ip -d link show dev bond0 >> 14: bond0: mtu 1500 qdisc noqueue >> state UP mode DEFAULT group default qlen 1000 >> link/ether fe:5b:52:88:61:68 brd ff:ff:ff:ff:ff:ff promiscuity 0 >> minmtu 68 maxmtu 65535 >> bond mode active-backup active_slave link1_1 miimon 0 updelay 0 >> downdelay 0 peer_notify_delay 0 use_carrier 1 arp_interval 1000 >> arp_missed_max 2 arp_ip_target 192.168.30.7,192.168.30.5 arp_validate >> active arp_all_targets any primary link1_1 primary_reselect always >> fail_over_mac follow xmit_hash_policy layer2 resend_igmp 1 num_grat_arp 1 >> all_slaves_active 0 min_links 0 lp_interval 1 packets_per_slave 1 >> lacp_active on lacp_rate slow ad_select stable tlb_dynamic_lb 1 >> addrgenmode eui64 numtxqueues 16 numrxqueues 16 gso_max_size 65536 >> gso_max_segs 65535 gro_max_size 65536 >> [root@fedora tests]# >> >> [root@fedora tests]# ip -d -s link show dev link1_1 >> 11: link1_1@if10: mtu 1500 qdisc >> noqueue master bond0 state UP mode DEFAULT group default qlen 1000 >> link/ether aa:48:a3:a3:2b:2b brd ff:ff:ff:ff:ff:ff link-netns ns1 >> promiscuity 0 minmtu 68 maxmtu 65535 >> veth >> bond_slave state BACKUP mii_status DOWN link_failure_count 466 >> perm_hwaddr b6:19:b6:e3:29:c5 queue_id 0 addrgenmode eui64 numtxqueues 1 >> numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 gro_max_size 65536 >> RX: bytes packets errors dropped missed mcast >> 295004 5622 0 0 0 0 >> TX: bytes packets errors dropped carrier collsns >> 254824 4678 0 0 0 0 >> >> [root@fedora tests]# ip -d -s link show dev link2_1 >> 13: link2_1@if12: mtu 1500 qdisc >> noqueue master bond0 state UP mode DEFAULT group default qlen 1000 >> link/ether aa:48:a3:a3:2b:2b brd ff:ff:ff:ff:ff:ff link-netns ns1 >> promiscuity 0 minmtu 68 maxmtu 65535 >> veth >> bond_slave state BACKUP mii_status UP link_failure_count 0 perm_hwaddr >> aa:48:a3:a3:2b:2b queue_id 0 addrgenmode eui64 numtxqueues 1 numrxqueues 1 >> gso_max_size 65536 gso_max_segs 65535 gro_max_size 65536 >> RX: bytes packets errors dropped missed mcast >> 303452 5776 0 0 0 0 >> TX: bytes packets errors dropped carrier collsns >> 179592 2866 0 0 0 0 >> >