01:00:5e:00:00:01 dev eth0 self permanent
01:00:5e:00:00:01 dev eth1 self permanent
33:33:00:00:00:01 dev ovs-system self permanent
01:00:5e:00:00:01 dev br-ex self permanent
01:00:5e:00:00:01 dev vlan22 self permanent
01:00:5e:00:00:01 dev vlan21 self permanent
01:00:5e:00:00:01 dev vlan20 self permanent
