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Date:      Thu, 27 Feb 2020 17:18:58 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 244247] Kernel panic due to racecondition in ng_eiface shutdown
Message-ID:  <bug-244247-7501-8nnWlDITSv@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-244247-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-244247-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D244247

--- Comment #14 from Aleksandr Fedorov <aleksandr.fedorov@itglobal.com> ---
These messages looks to me as expected:

Feb 26 21:46:11 core dhclient[3521]: receive_packet failed on ngeth0: Device
not configured
Feb 26 21:46:11 core dhclient[3521]: ioctl(SIOCGIFFLAGS) on ngeth0: Operati=
on
not permitted
Feb 26 21:46:11 core dhclient[3521]: Interface ngeth0 no longer appears val=
id.
Feb 26 21:46:11 core dhclient[3521]: No live interfaces to poll on - exitin=
g.
Feb 26 21:46:11 core dhclient[3521]: exiting.
Feb 26 21:46:11 core dhclient[3521]: connection closed
Feb 26 21:46:11 core dhclient[3521]: exiting.


But these need further research:
Feb 26 21:43:17 core kernel: ifaddr cache =3D 0xfffff8000ddf5600 is deleted
Feb 26 21:43:17 core kernel: if_delmulti_locked: detaching ifnet instance
0xfffff80059e8b000

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