$ uname -a
Linux mfo-xenial 4.18.0-11-generic #12-Ubuntu SMP Tue Oct 23 19:22:37 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
$ bridge fdb show
33:33:00:00:00:01 dev ens3 self permanent
01:00:5e:00:00:01 dev ens3 self permanent
33:33:ff:2c:6a:90 dev ens3 self permanent
$ ip --family bridge neigh
dev ens3 lladdr 33:33:00:00:00:01 PERMANENT
dev ens3 lladdr 01:00:5e:00:00:01 PERMANENT
dev ens3 lladdr 33:33:ff:2c:6a:90 PERMANENT
Verification successful on Cosmic.
---
$ apt-cache madison linux-image- 4.18.0- 11-generic 4.18.0- 11-generic | 4.18.0-11.12 | http:// archive. ubuntu. com/ubuntu cosmic- proposed/ main amd64 Packages
linux-image-
$ sudo apt-get install -y linux-image- 4.18.0- 11-generic= 4.18.0- 11.12
$ sudo reboot
$ uname -a
Linux mfo-xenial 4.18.0-11-generic #12-Ubuntu SMP Tue Oct 23 19:22:37 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
$ bridge fdb show
33:33:00:00:00:01 dev ens3 self permanent
01:00:5e:00:00:01 dev ens3 self permanent
33:33:ff:2c:6a:90 dev ens3 self permanent
$ ip --family bridge neigh
dev ens3 lladdr 33:33:00:00:00:01 PERMANENT
dev ens3 lladdr 01:00:5e:00:00:01 PERMANENT
dev ens3 lladdr 33:33:ff:2c:6a:90 PERMANENT