[  836.456286] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.456420] test-bond1: (slave test-bond0): making interface the new active one
[  836.456516] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.478688] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.489322] test-bond1: entered promiscuous mode
[  836.489354] test-bond0: entered promiscuous mode
[  837.491399] test-bond1: left promiscuous mode
[  837.491452] test-bond0: left promiscuous mode
[  838.155782] test-dummy0: entered promiscuous mode
[  840.170332] test-dummy0: left promiscuous mode
[  840.289150] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.293764] test-bond1 (unregistering): Released all slaves
[  840.307703] test-bond0 (unregistering): Released all slaves