[  771.996033] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  771.996129] test-bond1: (slave test-bond0): making interface the new active one
[  771.996223] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  772.012852] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  772.021608] test-bond1: entered promiscuous mode
[  772.021648] test-bond0: entered promiscuous mode
[  773.023712] test-bond1: left promiscuous mode
[  773.023762] test-bond0: left promiscuous mode
[  773.726171] test-dummy0: entered promiscuous mode
[  775.740537] test-dummy0: left promiscuous mode
[  775.858428] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  775.862902] test-bond1 (unregistering): Released all slaves
[  775.871137] test-bond0 (unregistering): Released all slaves