[  815.255278][T21429] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  815.256634][T21429] test-bond1: (slave test-bond0): making interface the new active one
[  815.257044][T21429] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  815.376744][T21436] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  815.479247][T21441] test-bond1: entered promiscuous mode
[  815.479420][T21441] test-bond0: entered promiscuous mode
[  816.504272][T21441] test-bond1: left promiscuous mode
[  816.504513][T21441] test-bond0: left promiscuous mode
[  818.000986][T21452] test-dummy0: entered promiscuous mode
[  820.043687][T21452] test-dummy0: left promiscuous mode
[  820.211697][T21455] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  820.218194][T21455] test-bond1 (unregistering): Released all slaves
[  820.267363][T21456] test-bond0 (unregistering): Released all slaves