Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: netplan.io (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1940635
Title:
systemd-networkd failing to acquire a DHCP6 lease from dnsmasq on
armhf
Status in glibc package in Ubuntu:
Confirmed
Status in netplan.io package in Ubuntu:
Confirmed
Status in systemd package in Ubuntu:
Fix Committed
Bug description:
systemd-networkd is failing to acquire a DCHP6 lease from dnsmasq on
armhf since glibc 2.34-0ubuntu1, failing systemd (tests-name=networkd-
test.py) and netplan.io (test-name=ethernets) tests on armhf.
Reproducer:
* Setup an armhf container, e.g. via:
autopkgtest systemd --test-name=networkd-test.py --shell -U
--apt-pocket=proposed=src:systemd,src:glibc -s -- lxd
autopkgtest/ubuntu/impish/armhf
* It will fail and drop you into the shell
* cd test/ && apt install python3-nose
* nosetests3 -v -s -m "test_.*_dhcp_ip6" networkd-test.py
This is unrelated to the recent dnsmasq changes (LP: #1894619), as that would
fail on all architectures, not just armhf.
It still passes inside an amd64 LXD container, so it is also not related to
armhf being tested inside a container. But it shows the difference between
armhf vs amd64 container, that on armhf we're missing the DHCPSOLICIT (and
therefore DHCPREPLY) messages, as can be seen from the dnsmasq log:
dnsmasq-dhcp[]: DHCPSOLICIT(router_eth42)
00:02:00:00:ab:11:57:1e:20:2f:9e:56:5f:34
dnsmasq-dhcp[]: DHCPREPLY(router_eth42) 2600::1f
00:02:00:00:ab:11:57:1e:20:2f:9e:56:5f:34 autopkgtest-lxd-rtypaf
The issue is most probably the same that causes the currently failing
netplan.io/ethernets autopkgtest on armhf, if tested against glibc
2.34-0ubuntu1.
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