[  966.845901][T21938] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  966.853869][T21938] test-bond1: (slave test-bond0): making interface the new active one
[  966.854527][T21938] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  967.025415][T21943] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  967.100763][T21946] test-bond1: entered promiscuous mode
[  967.100911][T21946] test-bond0: entered promiscuous mode
[  968.116588][T21946] test-bond1: left promiscuous mode
[  968.116799][T21946] test-bond0: left promiscuous mode
[  969.582559][T21948] test-dummy0: entered promiscuous mode
[  971.616490][T21948] test-dummy0: left promiscuous mode
[  971.774061][T21951] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  971.781107][T21951] test-bond1 (unregistering): Released all slaves
[  971.848352][T21952] test-bond0 (unregistering): Released all slaves