[  768.841759] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  768.841863] test-bond1: (slave test-bond0): making interface the new active one
[  768.841951] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  768.860776] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  768.869823] test-bond1: entered promiscuous mode
[  768.869867] test-bond0: entered promiscuous mode
[  769.872242] test-bond1: left promiscuous mode
[  769.872292] test-bond0: left promiscuous mode
[  770.755771] test-dummy0: entered promiscuous mode
[  772.782474] test-dummy0: left promiscuous mode
[  772.947347] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  772.952700] test-bond1 (unregistering): Released all slaves
[  772.965904] test-bond0 (unregistering): Released all slaves