[  751.266118] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  751.266251] test-bond1: (slave test-bond0): making interface the new active one
[  751.266389] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  751.292760] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  751.304506] test-bond1: entered promiscuous mode
[  751.304562] test-bond0: entered promiscuous mode
[  752.306780] test-bond1: left promiscuous mode
[  752.306858] test-bond0: left promiscuous mode
[  752.999628] test-dummy0: entered promiscuous mode
[  755.016329] test-dummy0: left promiscuous mode
[  755.150577] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  755.154840] test-bond1 (unregistering): Released all slaves
[  755.166914] test-bond0 (unregistering): Released all slaves