[  872.493686] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  872.493830] test-bond1: (slave test-bond0): making interface the new active one
[  872.493926] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  872.515463] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  872.526082] test-bond1: entered promiscuous mode
[  872.526142] test-bond0: entered promiscuous mode
[  873.529630] test-bond1: left promiscuous mode
[  873.529715] test-bond0: left promiscuous mode
[  874.201798] test-dummy0: entered promiscuous mode
[  876.217116] test-dummy0: left promiscuous mode
[  876.333437] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  876.340216] test-bond1 (unregistering): Released all slaves
[  876.354837] test-bond0 (unregistering): Released all slaves