Ubuntu
glibc package

  1. Bug #1940635
  2. Comment #3

Comment 3 for bug 1940635

Revision history for this message
Lukas Märdian (slyon) wrote (last edit ): Re: systemd-networkd failing to acquire a DCHP6 lease from dnsmasq on armhf

The systemd-networkd debug log (inside armhf container) reveals an interesting error message: "NDISC: Unexpected error while reading from ICMPv6, ignoring: Exchange full"

Aug 20 09:40:22 autopkgtest-lxd-ytcddy systemd-networkd[5450]: NDISC: Started IPv6 Router Solicitation client
Aug 20 09:40:22 autopkgtest-lxd-ytcddy systemd-networkd[5450]: test_eth42: Remembering foreign route: dst: fe80::dcad:beff:feef:4711/128, src: n/a, gw: n/a, prefsrc: n/a, scope: global, table: local(255), proto: kernel, type: local, nexthop: 0
Aug 20 09:40:22 autopkgtest-lxd-ytcddy systemd-networkd[5450]: router_eth42: Gained new hardware address: b6:f9:18:ed:b5:5c
Aug 20 09:40:22 autopkgtest-lxd-ytcddy systemd-networkd[5450]: rtnl: received non-static neighbor, ignoring.
Aug 20 09:40:22 autopkgtest-lxd-ytcddy systemd-networkd[5450]: rtnl: received non-static neighbor, ignoring.
Aug 20 09:40:22 autopkgtest-lxd-ytcddy systemd-networkd[5450]: rtnl: received non-static neighbor, ignoring.
Aug 20 09:40:22 autopkgtest-lxd-ytcddy systemd-networkd[5450]: rtnl: received non-static neighbor, ignoring.
Aug 20 09:40:23 autopkgtest-lxd-ytcddy systemd-networkd[5450]: NDISC: Sent Router Solicitation, next solicitation in 3s
Aug 20 09:40:23 autopkgtest-lxd-ytcddy systemd-networkd[5450]: rtnl: received non-static neighbor, ignoring.
Aug 20 09:40:23 autopkgtest-lxd-ytcddy systemd-networkd[5450]: NDISC: Unexpected error while reading from ICMPv6, ignoring: Exchange full

And also:
Aug 20 09:40:34 autopkgtest-lxd-ytcddy systemd-networkd[5450]: NDISC: No RA received before link confirmation timeout
Aug 20 09:40:34 autopkgtest-lxd-ytcddy systemd-networkd[5450]: NDISC: Invoking callback for 'timeout' event.
Aug 20 09:40:34 autopkgtest-lxd-ytcddy systemd-networkd[5450]: test_eth42: NDisc handler get timeout event