[  888.541190][T21660] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  888.542569][T21660] test-bond1: (slave test-bond0): making interface the new active one
[  888.543595][T21660] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  888.670469][T21667] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  888.772921][T21672] test-bond1: entered promiscuous mode
[  888.773147][T21672] test-bond0: entered promiscuous mode
[  889.787312][T21672] test-bond1: left promiscuous mode
[  889.787623][T21672] test-bond0: left promiscuous mode
[  891.468208][T21683] test-dummy0: entered promiscuous mode
[  893.510024][T21683] test-dummy0: left promiscuous mode
[  893.679478][T21686] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  893.689211][T21686] test-bond1 (unregistering): Released all slaves
[  893.728510][T21687] test-bond0 (unregistering): Released all slaves