[  815.369601][T21421] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  815.370719][T21421] test-bond1: (slave test-bond0): making interface the new active one
[  815.371131][T21421] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  815.529673][T21429] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  815.632935][T21436] test-bond1: entered promiscuous mode
[  815.633118][T21436] test-bond0: entered promiscuous mode
[  816.651743][T21436] test-bond1: left promiscuous mode
[  816.652008][T21436] test-bond0: left promiscuous mode
[  818.227081][T21444] test-dummy0: entered promiscuous mode
[  820.267210][T21444] test-dummy0: left promiscuous mode
[  820.448390][T21447] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  820.458569][T21447] test-bond1 (unregistering): Released all slaves
[  820.495679][T21448] test-bond0 (unregistering): Released all slaves