Public bug reported:
1.
# lsb_release -rd
Description: Ubuntu Bionic Beaver (development branch)
Release: 18.04
# cat /etc/cloud/build.info
build_name: server
serial: 20180224
2.
# apt-cache policy nplan
nplan:
Installed: 0.33
Candidate: 0.33
Version table:
*** 0.33 500
500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
100 /var/lib/dpkg/status
3. netplan configuration creates a bridge with a priority value and matches
the value in /sys/class/net/<bridge name>/bridge/priority
4. /sys/class/net/<bridge_name>/bridge/priority is the default value
32768 despite /etc/netplan/50-cloud-init.yaml specifies a priority value
for the bridge.
--
The networkd renderer silently drops writing of Priority value to the
[Bridge] section in a bridge's .netdev file.
The code says this:
netplan/src/networkd.c:69
#if 0
/* FIXME: Priority= is not valid for the bridge itself, although it should
work as the
* STP priority of the bridge itself. It's not supported by
networkd, but let's
* keep it around in case it becomes supported in the future.
*/
if (def->bridge_params.priority)
g_string_append_printf(params, "Priority=%u\n",
def->bridge_params.priority);
#endif
But bridge priority is settable via sysfs (with the bridge down) and via
brctl setbridgeprio
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: nplan 0.33
ProcVersionSignature: Ubuntu 4.13.0-32.35~16.04.1-generic 4.13.13
Uname: Linux 4.13.0-32-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
Date: Tue Feb 27 20:14:24 2018
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=C.UTF-8
SourcePackage: nplan
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: nplan (Ubuntu)
Importance: High
Status: Triaged
** Tags: amd64 apport-bug bionic third-party-packages uec-images
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1752162
Title:
netplan 0.33 silently breaks bridge-priority
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