[  870.374110] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  870.374254] test-bond1: (slave test-bond0): making interface the new active one
[  870.374354] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  870.395180] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  870.405667] test-bond1: entered promiscuous mode
[  870.405708] test-bond0: entered promiscuous mode
[  871.407917] test-bond1: left promiscuous mode
[  871.407975] test-bond0: left promiscuous mode
[  872.079971] test-dummy0: entered promiscuous mode
[  874.105653] test-dummy0: left promiscuous mode
[  874.222060] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  874.231875] test-bond1 (unregistering): Released all slaves
[  874.245555] test-bond0 (unregistering): Released all slaves