[  975.691245][T23944] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  975.692210][T23944] test-bond1: (slave test-bond0): making interface the new active one
[  975.692547][T23944] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  975.816450][T23949] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  975.876798][T23952] test-bond1: entered promiscuous mode
[  975.876970][T23952] test-bond0: entered promiscuous mode
[  976.886998][T23952] test-bond1: left promiscuous mode
[  976.887194][T23952] test-bond0: left promiscuous mode
[  978.342083][T23954] test-dummy0: entered promiscuous mode
[  980.381172][T23954] test-dummy0: left promiscuous mode
[  980.552881][T23957] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  980.559557][T23957] test-bond1 (unregistering): Released all slaves
[  980.621157][T23958] test-bond0 (unregistering): Released all slaves