[  870.958767] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  870.958892] test-bond1: (slave test-bond0): making interface the new active one
[  870.958985] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  870.978270] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  870.987339] test-bond1: entered promiscuous mode
[  870.987416] test-bond0: entered promiscuous mode
[  871.989679] test-bond1: left promiscuous mode
[  871.989767] test-bond0: left promiscuous mode
[  872.721601] test-dummy0: entered promiscuous mode
[  874.740476] test-dummy0: left promiscuous mode
[  874.848005] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  874.860182] test-bond1 (unregistering): Released all slaves
[  874.868292] test-bond0 (unregistering): Released all slaves