Public bug reported:
First, removal of an USB WLAN adapter (wlan1):
Dec 24 00:45:10 zeus kernel: [19429.149039] usb 2-5: USB disconnect, device
number 2
...
Dec 24 00:45:10 zeus NetworkManager[641]: <info> devices removed (path:
/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5:1.0/net/wlan1, iface: wlan1)
Dec 24 00:45:10 zeus NetworkManager[641]: <info> radio killswitch
/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5:1.0/ieee80211/phy0/rfkill2
disappeared
Dec 24 00:45:10 zeus NetworkManager[641]: <info> (wlan1): supplicant interface
state: completed -> disabled
After suspending:
Dec 24 04:22:28 zeus NetworkManager[641]: <info> sleep requested (sleeping: no
enabled: yes)
...
Dec 24 04:22:28 zeus NetworkManager[641]: <info> sleeping...
Dec 24 04:22:28 zeus NetworkManager[641]: <info> (wlan1): device state change:
activated -> unmanaged (reason 'sleeping') [100 10 37]
Dec 24 04:22:28 zeus NetworkManager[641]: <info> (wlan1): canceled DHCP
transaction, DHCP client pid 20332
Dec 24 04:22:28 zeus NetworkManager[641]: <info> (wlan1): DHCPv4 state changed
bound -> done
Dec 24 04:22:28 zeus NetworkManager[641]: <error> [1450927348.627824]
[platform/nm-linux-platform.c:2782] do_change_link(): platform-linux:
do-change-link: failure changing link 3: No such device (31)
After resuming:
Dec 24 11:45:33 zeus NetworkManager[641]: <info> wake requested (sleeping: yes
enabled: yes)
...
Dec 24 11:45:33 zeus NetworkManager[641]: <info> waking up...
Dec 24 11:45:33 zeus NetworkManager[641]: <info> (eth0): device state change:
unavailable -> unmanaged (reason 'sleeping') [20 10 37]
Dec 24 11:45:33 zeus NetworkManager[641]: <info> (eth0): device state change:
unmanaged -> unavailable (reason 'managed') [10 20 2]
Dec 24 11:45:33 zeus kernel: [32468.742777] IPv6: ADDRCONF(NETDEV_UP): eth0:
link is not ready
Dec 24 11:45:34 zeus NetworkManager[641]: <info> (wlan1): device state change:
unmanaged -> unavailable (reason 'managed') [10 20 2]
Dec 24 11:45:34 zeus kernel: [32468.777806] IPv6: ADDRCONF(NETDEV_UP): eth0:
link is not ready
Dec 24 11:45:34 zeus NetworkManager[641]: <error> [1450953934.021095]
[platform/nm-linux-platform.c:2782] do_change_link(): platform-linux:
do-change-link: failure changing link 3: No such device (31)
Dec 24 11:45:34 zeus NetworkManager[641]: <warn> (wlan1): failed to enable
userspace IPv6LL address handling
Dec 24 11:45:34 zeus NetworkManager[641]: <error> [1450953934.029979]
[platform/nm-linux-platform.c:2782] do_change_link(): platform-linux:
do-change-link: failure changing link 3: No such device (31)
Dec 24 11:45:34 zeus NetworkManager[641]: <error> [1450953934.030751]
[platform/nm-linux-platform.c:2782] do_change_link(): platform-linux:
do-change-link: failure changing link 3: No such device (31)
Dec 24 11:45:34 zeus NetworkManager[641]: <error> [1450953934.031323]
[platform/nm-linux-platform.c:2782] do_change_link(): platform-linux:
do-change-link: failure changing link 3: No such device (31)
Dec 24 11:45:34 zeus NetworkManager[641]: <info> NetworkManager state is now
DISCONNECTED
At this point, not even eth0 works (it was there all the time). Network-
manager works again if restarted using the script in init.d.
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "Full syslog since device removal"
https://bugs.launchpad.net/bugs/1529085/+attachment/4539685/+files/network-manager-problem.txt
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https://bugs.launchpad.net/bugs/1529085
Title:
References device after it has been removed
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