[  856.894978] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  856.895087] test-bond1: (slave test-bond0): making interface the new active one
[  856.895179] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  856.913999] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  856.923517] test-bond1: entered promiscuous mode
[  856.923598] test-bond0: entered promiscuous mode
[  857.926700] test-bond1: left promiscuous mode
[  857.926826] test-bond0: left promiscuous mode
[  858.705675] test-dummy0: entered promiscuous mode
[  860.728321] test-dummy0: left promiscuous mode
[  860.863952] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  860.870738] test-bond1 (unregistering): Released all slaves
[  860.886198] test-bond0 (unregistering): Released all slaves