[  747.332927] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  747.333071] test-bond1: (slave test-bond0): making interface the new active one
[  747.333182] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  747.356117] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  747.369605] test-bond1: entered promiscuous mode
[  747.369637] test-bond0: entered promiscuous mode
[  748.372027] test-bond1: left promiscuous mode
[  748.372084] test-bond0: left promiscuous mode
[  749.116607] test-dummy0: entered promiscuous mode
[  751.143959] test-dummy0: left promiscuous mode
[  751.274059] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  751.285160] test-bond1 (unregistering): Released all slaves
[  751.299374] test-bond0 (unregistering): Released all slaves