diff for duplicates of <20170703163646.GA9346@gmail.com>

diff --git a/a/1.txt b/N1/1.txt
index 68ee59d..bc52ef9 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -1,10 +1,10 @@
 On Fri, Jun 30, 2017 at 12:11:07PM -0700, Andrei Vagin wrote:
 > On Thu, Jun 29, 2017 at 08:42:23PM -0500, Eric W. Biederman wrote:
-> > Andrei Vagin <avagin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
+> > Andrei Vagin <avagin@gmail.com> writes:
 > > 
 > > > On Thu, Jun 29, 2017 at 12:06 PM, Eric W. Biederman
-> > > <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org> wrote:
-> > >> Andrei Vagin <avagin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
+> > > <ebiederm@xmission.com> wrote:
+> > >> Andrei Vagin <avagin@gmail.com> writes:
 > > >>
 > > >>> Hello,
 > > >>>
@@ -88,7 +88,7 @@ is working normally for more than 24 hours already, so the bug is
 probably in one of these patches.
 
 commit e3d0065ab8535cbeee69a4c46a59f4d7360803ae
-Author: Andrei Vagin <avagin-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
+Author: Andrei Vagin <avagin@openvz.org>
 Date:   Sun Jul 2 07:41:25 2017 +0200
 
     Revert "proc/sysctl: prune stale dentries during unregistering"
@@ -96,7 +96,7 @@ Date:   Sun Jul 2 07:41:25 2017 +0200
     This reverts commit d6cffbbe9a7e51eb705182965a189457c17ba8a3.
 
 commit 2d3c50dac81011c1da4d2f7a63b84bd75287e320
-Author: Andrei Vagin <avagin-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
+Author: Andrei Vagin <avagin@openvz.org>
 Date:   Sun Jul 2 07:40:08 2017 +0200
 
     Revert "proc/sysctl: Don't grab i_lock under sysctl_lock."
@@ -108,8 +108,7 @@ FYI: This bug has been reproduced on 4.11.7
 [192885.875105] BUG: Dentry ffff895a3dd01240{i=4e7c09a,n=lo}  still in use (1) [unmount of proc proc]
 [192885.875313] ------------[ cut here ]------------
 [192885.875328] WARNING: CPU: 1 PID: 13588 at fs/dcache.c:1445 umount_check+0x6e/0x80
-[192885.875331] Modules linked in: veth tun macvlan nf_conntrack_netlink xt_mark udp_diag tcp_diag inet_diag netlink_diag af_packet_diag unix_diag nfsd auth_rpcgss nfs_acl lockd grace binfmt_misc ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_broute bridge stp llc ebtable_nat ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_security ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_security iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep sunrpc edac_mce_amd edac_core kvm_amd btusb kvm btrtl btbcm btintel bluetooth snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel iwlwifi snd_hda_codec cfg80211 irqbypas
- s crct10dif_pclmul
+[192885.875331] Modules linked in: veth tun macvlan nf_conntrack_netlink xt_mark udp_diag tcp_diag inet_diag netlink_diag af_packet_diag unix_diag nfsd auth_rpcgss nfs_acl lockd grace binfmt_misc ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_broute bridge stp llc ebtable_nat ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_security ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_security iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep sunrpc edac_mce_amd edac_core kvm_amd btusb kvm btrtl btbcm btintel bluetooth snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel iwlwifi snd_hda_codec cfg80211 irqbypass crct10dif_pclmul
 [192885.875441]  snd_hda_core crc32_pclmul snd_pcsp ghash_clmulni_intel snd_hwdep snd_seq snd_seq_device snd_pcm sp5100_tco k10temp fam15h_power i2c_piix4 snd_timer snd rfkill ccp soundcore shpchp acpi_cpufreq tpm_tis video tpm_tis_core tpm amdkfd amd_iommu_v2 radeon crc32c_intel drm_kms_helper sdhci_pci sdhci ttm mmc_core igb drm ptp pps_core dca i2c_algo_bit
 [192885.875512] CPU: 1 PID: 13588 Comm: kworker/1:1 Not tainted 4.11.7-200.fc25.x86_64 #1
 [192885.875514] Hardware name: CompuLab sbc-flt1/fitlet, BIOS SBCFLT_0.08.04 06/27/2015
@@ -156,7 +155,7 @@ FYI: This bug has been reproduced on 4.11.7
 > > can prove that this is the issue.
 > > 
 > > commit d6cffbbe9a7e51eb705182965a189457c17ba8a3
-> > Author: Konstantin Khlebnikov <khlebnikov-XoJtRXgx1JseBXzfvpsJ4g@public.gmane.org>
+> > Author: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
 > > Date:   Fri Feb 10 10:35:02 2017 +0300
 > > 
 > >     proc/sysctl: prune stale dentries during unregistering
@@ -335,5 +334,5 @@ FYI: This bug has been reproduced on 4.11.7
 > > >>> [22458.824943] ---[ end trace b37db95b00f941ac ]---
 > > _______________________________________________
 > > CRIU mailing list
-> > CRIU-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org
+> > CRIU@openvz.org
 > > https://lists.openvz.org/mailman/listinfo/criu
diff --git a/a/content_digest b/N1/content_digest
index ebc6db1..8d02987 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -3,27 +3,26 @@
  "ref\0CANaxB-z-K=A2_OfMsXqROttsef0SXSeACX8Wj9ik2NJ1Dkz_Fw@mail.gmail.com\0"
  "ref\087vane1cao.fsf@xmission.com\0"
  "ref\020170630191106.GB8899@outlook.office365.com\0"
- "ref\020170630191106.GB8899-1ViLX0X+lBJGNQ1M2rI3KwRV3xvJKrda@public.gmane.org\0"
- "From\0Andrei Vagin <avagin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>\0"
+ "From\0Andrei Vagin <avagin@gmail.com>\0"
  "Subject\0Re: [CRIU] BUG: Dentry ffff9f795a08fe60{i=af565f, n=lo} still in use (1) [unmount of proc proc]\0"
  "Date\0Mon, 3 Jul 2017 09:36:48 -0700\0"
- "To\0Andrei Vagin <avagin-5HdwGun5lf+gSpxsJD1C4w@public.gmane.org>"
- " Konstantin Khlebnikov <khlebnikov-XoJtRXgx1JseBXzfvpsJ4g@public.gmane.org>\0"
- "Cc\0Linux Kernel Network Developers <netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>"
-  Linux Containers <containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
-  LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
-  criu-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org <criu-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
-  Eric W. Biederman <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
- " linux-fsdevel <linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>\0"
+ "To\0Andrei Vagin <avagin@virtuozzo.com>"
+ " Konstantin Khlebnikov <khlebnikov@yandex-team.ru>\0"
+ "Cc\0Eric W. Biederman <ebiederm@xmission.com>"
+  linux-fsdevel <linux-fsdevel@vger.kernel.org>
+  Linux Kernel Network Developers <netdev@vger.kernel.org>
+  Linux Containers <containers@lists.linux-foundation.org>
+  LKML <linux-kernel@vger.kernel.org>
+ " criu@openvz.org <criu@openvz.org>\0"
  "\00:1\0"
  "b\0"
  "On Fri, Jun 30, 2017 at 12:11:07PM -0700, Andrei Vagin wrote:\n"
  "> On Thu, Jun 29, 2017 at 08:42:23PM -0500, Eric W. Biederman wrote:\n"
- "> > Andrei Vagin <avagin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:\n"
+ "> > Andrei Vagin <avagin@gmail.com> writes:\n"
  "> > \n"
  "> > > On Thu, Jun 29, 2017 at 12:06 PM, Eric W. Biederman\n"
- "> > > <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org> wrote:\n"
- "> > >> Andrei Vagin <avagin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:\n"
+ "> > > <ebiederm@xmission.com> wrote:\n"
+ "> > >> Andrei Vagin <avagin@gmail.com> writes:\n"
  "> > >>\n"
  "> > >>> Hello,\n"
  "> > >>>\n"
@@ -107,7 +106,7 @@
  "probably in one of these patches.\n"
  "\n"
  "commit e3d0065ab8535cbeee69a4c46a59f4d7360803ae\n"
- "Author: Andrei Vagin <avagin-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>\n"
+ "Author: Andrei Vagin <avagin@openvz.org>\n"
  "Date:   Sun Jul 2 07:41:25 2017 +0200\n"
  "\n"
  "    Revert \"proc/sysctl: prune stale dentries during unregistering\"\n"
@@ -115,7 +114,7 @@
  "    This reverts commit d6cffbbe9a7e51eb705182965a189457c17ba8a3.\n"
  "\n"
  "commit 2d3c50dac81011c1da4d2f7a63b84bd75287e320\n"
- "Author: Andrei Vagin <avagin-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>\n"
+ "Author: Andrei Vagin <avagin@openvz.org>\n"
  "Date:   Sun Jul 2 07:40:08 2017 +0200\n"
  "\n"
  "    Revert \"proc/sysctl: Don't grab i_lock under sysctl_lock.\"\n"
@@ -127,8 +126,7 @@
  "[192885.875105] BUG: Dentry ffff895a3dd01240{i=4e7c09a,n=lo}  still in use (1) [unmount of proc proc]\n"
  "[192885.875313] ------------[ cut here ]------------\n"
  "[192885.875328] WARNING: CPU: 1 PID: 13588 at fs/dcache.c:1445 umount_check+0x6e/0x80\n"
- "[192885.875331] Modules linked in: veth tun macvlan nf_conntrack_netlink xt_mark udp_diag tcp_diag inet_diag netlink_diag af_packet_diag unix_diag nfsd auth_rpcgss nfs_acl lockd grace binfmt_misc ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_broute bridge stp llc ebtable_nat ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_security ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_security iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep sunrpc edac_mce_amd edac_core kvm_amd btusb kvm btrtl btbcm btintel bluetooth snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel iwlwifi snd_hda_codec cfg80211 irqbypas\n"
- " s crct10dif_pclmul\n"
+ "[192885.875331] Modules linked in: veth tun macvlan nf_conntrack_netlink xt_mark udp_diag tcp_diag inet_diag netlink_diag af_packet_diag unix_diag nfsd auth_rpcgss nfs_acl lockd grace binfmt_misc ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_broute bridge stp llc ebtable_nat ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_security ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_security iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep sunrpc edac_mce_amd edac_core kvm_amd btusb kvm btrtl btbcm btintel bluetooth snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel iwlwifi snd_hda_codec cfg80211 irqbypass crct10dif_pclmul\n"
  "[192885.875441]  snd_hda_core crc32_pclmul snd_pcsp ghash_clmulni_intel snd_hwdep snd_seq snd_seq_device snd_pcm sp5100_tco k10temp fam15h_power i2c_piix4 snd_timer snd rfkill ccp soundcore shpchp acpi_cpufreq tpm_tis video tpm_tis_core tpm amdkfd amd_iommu_v2 radeon crc32c_intel drm_kms_helper sdhci_pci sdhci ttm mmc_core igb drm ptp pps_core dca i2c_algo_bit\n"
  "[192885.875512] CPU: 1 PID: 13588 Comm: kworker/1:1 Not tainted 4.11.7-200.fc25.x86_64 #1\n"
  "[192885.875514] Hardware name: CompuLab sbc-flt1/fitlet, BIOS SBCFLT_0.08.04 06/27/2015\n"
@@ -175,7 +173,7 @@
  "> > can prove that this is the issue.\n"
  "> > \n"
  "> > commit d6cffbbe9a7e51eb705182965a189457c17ba8a3\n"
- "> > Author: Konstantin Khlebnikov <khlebnikov-XoJtRXgx1JseBXzfvpsJ4g@public.gmane.org>\n"
+ "> > Author: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>\n"
  "> > Date:   Fri Feb 10 10:35:02 2017 +0300\n"
  "> > \n"
  "> >     proc/sysctl: prune stale dentries during unregistering\n"
@@ -354,7 +352,7 @@
  "> > >>> [22458.824943] ---[ end trace b37db95b00f941ac ]---\n"
  "> > _______________________________________________\n"
  "> > CRIU mailing list\n"
- "> > CRIU-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org\n"
+ "> > CRIU@openvz.org\n"
  > > https://lists.openvz.org/mailman/listinfo/criu
 
-8ee6a6a4f1f0438ad57fe8ab560d09a6a2bad0348891f6744de3e41bad8a3396
+83b64dd23eb4632c591cb6ee3f68fc1c6e226861ada622c6e3e3f318c4a775b3
