ubuntu@lp1850704-b:~$ cat /etc/systemd/network/10-ens3.network
[Match]
Name=ens3
[Network]
DHCP=ipv4
LinkLocalAddressing=ipv6
[Link]
MTUBytes=6666
ubuntu@lp1850704-b:~$ dpkg -l systemd|grep ii
ii systemd 237-3ubuntu10.33 amd64 system and service manager
ubuntu@lp1850704-b:~$ sudo systemctl restart systemd-networkd
ubuntu@lp1850704-b:~$ ip a show dev ens3
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 6666 qdisc fq_codel state UP
group default qlen 1000
link/ether 52:54:00:86:c7:44 brd ff:ff:ff:ff:ff:ff
inet 192.168.122.197/24 brd 192.168.122.255 scope global dynamic ens3
valid_lft 3596sec preferred_lft 3596sec
inet6 fe80::5054:ff:fe86:c744/64 scope link
valid_lft forever preferred_lft forever
ubuntu@lp1850704-b:~$ networkctl | grep ens3
2 ens3 ether routable configured
** Tags removed: verification-needed verification-needed-bionic
** Tags added: verification-done verification-done-bionic
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/1852754
Title:
networkd does not complete interface configuration if Link MTUBytes is
set
Status in systemd:
Fix Released
Status in systemd package in Ubuntu:
Fix Released
Status in systemd source package in Bionic:
Fix Committed
Bug description:
[impact]
interfaces configured with .network file [Link] section specifying
MTUBytes will not be successfully brought up.
[test case]
configure interface e.g.
Name=ens3
[Network]
DHCP=ipv4
LinkLocalAddressing=ipv6
[Link]
MTUBytes=1550
start/restart networkd, the interface will never reach 'routable'
stage and will not get an IPv4 address.
[regression potential]
any regressions would likely occur during networkd
configuration/startup/restart, and would likely cause failure to
successfully setup the interface.
[other info]
this is a regression-proposed caused by incomplete backport for bug
1850704
To manage notifications about this bug go to:
https://bugs.launchpad.net/systemd/+bug/1852754/+subscriptions
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