[  836.804709] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.804859] test-bond1: (slave test-bond0): making interface the new active one
[  836.804968] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.826385] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.837056] test-bond1: entered promiscuous mode
[  836.837102] test-bond0: entered promiscuous mode
[  837.839658] test-bond1: left promiscuous mode
[  837.839710] test-bond0: left promiscuous mode
[  838.578545] test-dummy0: entered promiscuous mode
[  840.593170] test-dummy0: left promiscuous mode
[  840.711702] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.718980] test-bond1 (unregistering): Released all slaves
[  840.727909] test-bond0 (unregistering): Released all slaves