[  748.148384] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  748.148481] test-bond1: (slave test-bond0): making interface the new active one
[  748.148536] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  748.166517] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  748.177403] test-bond1: entered promiscuous mode
[  748.177496] test-bond0: entered promiscuous mode
[  749.182328] test-bond1: left promiscuous mode
[  749.182410] test-bond0: left promiscuous mode
[  749.893878] test-dummy0: entered promiscuous mode
[  751.909387] test-dummy0: left promiscuous mode
[  752.032380] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  752.037463] test-bond1 (unregistering): Released all slaves
[  752.048561] test-bond0 (unregistering): Released all slaves