Thanks, Martin, this is showing:
[[0;32m OK [0m] Reached target Network (Pre).
Starting Raise network interfaces...
[[0;32m OK [0m] Started ifup for lxdbr0.
[[0;32m OK [0m] Found device /sys/subsystem/net/devices/lxdbr0.
[ 18.541352] ifup[1931]: /sbin/ifup: waiting for lock on
/run/network/ifstate.lxdbr0
[[0;1;31mFAILED[0m] Failed to start Raise network interfaces.
See 'systemctl status networking.service' for details.
[[0;1;33mDEPEND[0m] Dependency failed for Initial cloud... job (metadata
service crawler).
[[0;32m OK [0m] Reached target Network.
[[0;32m OK [0m] Reached target Network is Online.
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Touch seeded packages, which is subscribed to ifupdown in Ubuntu.
https://bugs.launchpad.net/bugs/1569064
Title:
ifupdown wants to configure interfaces it shouldn't (lxdbr0)
Status in ifupdown package in Ubuntu:
Confirmed
Status in lxd package in Ubuntu:
Confirmed
Bug description:
The reproducer:
create a xenial vm. There, run
lxc launch ubuntu:
leave that container running, and reboot. If you're "lucky",
networking will never come up:
[[0;32m OK [0m] Found device /sys/subsystem/net/devices/lxdbr0.
[[0m[0;31m* [0m] A start job is running for Raise network interfaces (32s
/ 5min 11s)[K[[0;1;31m*[0m[0;31m* [0m]
A start job is running for Raise network interfaces (33s / 5min
11s)[K[[0;31m*[0;1;31m*[0m[0;31m* [0m] A start job i
s running for Raise network interfaces (34s / 5min 11s)[K[
[0;31m*[0;1;31m*[0m[0;31m* [0m] A start job is running for
Raise network interfaces (34s / 5min 11s)[K[ [0;31m*[0;1;31m*[0m[0;31m* [0m]
A start job is running for Raise network
interfaces (35s / 5min 11s)[K[ [0;31m*[0;1;31m*[0m[0;31m*[0m] A start job
is running for Raise network interfaces (35
s / 5min 11s)[K[ [0;31m*[0;1;31m*[0m] A start job is running for Raise
network interfaces (36s / 5min 11s)[K[ [0
;31m*[0m] A start job is running for Raise network interfaces (37s / 5min
11s)[K[ [0;31m*[0;1;31m*[0m] A start job i
(etc)
I can reproduce this 100% on serverstack (openstack) instances. I
cannot reproduce it locally with uvt-kvm.
What appears to be happening is that lxd starts lxd-bridge which
creates lxdbr0 with no ipv4 address; this racily happens before
systemd does its networking setup; said network setup then sees
lxdbr0 and wants to configure it, so waits for it to have an ip
address. Plausible?
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