$ uname -a
Linux mfo-xenial 4.15.0-39-generic #42-Ubuntu SMP Tue Oct 23 15:48:01 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 Bionic.
---
$ apt-cache madison linux-image- 4.15.0- 39-generic 4.15.0- 39-generic | 4.15.0-39.42 | http:// archive. ubuntu. com/ubuntu bionic- proposed/ main amd64 Packages
linux-image-
$ sudo apt-get install -y linux-image- 4.15.0- 39-generic= 4.15.0- 39.42
$ sudo reboot
$ uname -a
Linux mfo-xenial 4.15.0-39-generic #42-Ubuntu SMP Tue Oct 23 15:48:01 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