[  860.559731][T21507] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  860.571383][T21507] test-bond1: (slave test-bond0): making interface the new active one
[  860.572022][T21507] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  860.855713][T21512] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  860.962159][T21515] test-bond1: entered promiscuous mode
[  860.962331][T21515] test-bond0: entered promiscuous mode
[  862.004207][T21515] test-bond1: left promiscuous mode
[  862.004453][T21515] test-bond0: left promiscuous mode
[  864.190421][T21517] test-dummy0: entered promiscuous mode
[  866.232117][T21517] test-dummy0: left promiscuous mode
[  866.521850][T21520] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  866.529286][T21520] test-bond1 (unregistering): Released all slaves
[  866.592363][T21521] test-bond0 (unregistering): Released all slaves