This bug was fixed in the package ubuntu-fan - 0.12.6
---------------
ubuntu-fan (0.12.6) artful; urgency=medium
* fanatic: Add short success delay to nc_send (LP: #1721352)
* fanatic: Catch test preparation steps failing (LP: #1718548)
* fanatic: Add DNS checks to local-test preparation (LP: #1718548)
ubuntu-fan (0.12.5) artful; urgency=medium
* DEP8: Fix LXD default interface detection (LP: #1718548)
* fanctl: return error on fail_up (LP: #1719644)
-- Stefan Bader <stefan.ba...@canonical.com> Fri, 06 Oct 2017 12:15:38
+0200
** Changed in: ubuntu-fan (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1718548
Title:
ubuntu-fan autopkgtests are broken against systemd-resolved
Status in ubuntu-fan package in Ubuntu:
Fix Released
Status in ubuntu-fan source package in Xenial:
New
Status in ubuntu-fan source package in Zesty:
New
Bug description:
Now that 17.10 has migrated to netplan+systemd-networkd+systemd-
resolved by default, ubuntu-fan autopkgtests are failing; at least one
reason for this failure is wrong detection of the default network
interface because autopkgtest environments appear for some reason to
be getting multiple default routes:
autopkgtest [20:14:59]: test lxd: [-----------------------
Error: either "dev" is duplicate, or "ens2" is a garbage.
II: Auto-init LXD...
LXD has been successfully configured.
II: Creating Fan Bridge...
/usr/sbin/fanatic: .0.0/16: unknown underlay network format
FAIL: Error on enable-fan
autopkgtest [20:15:10]: test lxd: -----------------------]
(https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
/autopkgtest-artful/artful/amd64/u/ubuntu-
fan/20170916_203221_4f037@/log.gz)
The other part failure appears to be a race with systemd-resolved in
setting up the network inside of docker containers:
autopkgtest [17:25:39]: test docker: [-----------------------
Running in the Canonical CI environment
II: Auto-create Fan Bridge...
configuring fan underlay:10.220.0.0/16 overlay:250.0.0.0/8
II: Create docker Fan Network...
configuring docker for underlay:10.220.0.0/16 overlay:250.0.0.0/8 (fan-250
250.4
6.84.0/24)
1c8a03aa50ab88b997c3b3aee88bfa6933b14368f1594db4a800c2ae8d62074f
II: Test docker...
local docker test: pulling container images ...
Using default tag: latest
latest: Pulling from library/ubuntu
d5c6f90da05d: Pulling fs layer
[...]
2b8db33536d4: Pull complete
Digest:
sha256:2b9285d3e340ae9d4297f83fed6a9563493945935fc787e98cc32a69f5687641
Status: Downloaded newer image for ubuntu:latest
local docker test: creating test container ...
5cbdd232b71bc0738f27f1fa3eae4360716bfe3f8cea976874bf6309b1843169
slave: installing ping ...
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/xenial/InRelease
Temporary failure resolving 'archive.ubuntu.com'
[...]
E: Unable to locate package iputils-ping
slave: installing nc ...
E: Unable to locate package netcat-openbsd
test master: ping test (250.46.84.2) ...
test slave: ping test (250.46.84.1) ...
test slave: ping test ... FAIL
--- transcript start ---
/bin/sh: 108: ping: not found
--- transcript end ---
test slave: short data test (250.46.84.2 -> 250.46.84.1) ...
test master: ping test ... PASS
test master: short data test (250.46.84.1 -> 250.46.84.2) ...
autopkgtest [20:12:19]: ERROR: timed out on command [...]
I've reproduced this problem locally and prepared a partial patch
based on a similar fix to the docker.io package's autopkgtests - but
so far this only fixes races in the lxd test, not in the docker test,
so it needs further investigation.
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