[  870.185995] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  870.186126] test-bond1: (slave test-bond0): making interface the new active one
[  870.186223] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  870.207620] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  870.218406] test-bond1: entered promiscuous mode
[  870.218448] test-bond0: entered promiscuous mode
[  871.221129] test-bond1: left promiscuous mode
[  871.221184] test-bond0: left promiscuous mode
[  871.872721] test-dummy0: entered promiscuous mode
[  873.890001] test-dummy0: left promiscuous mode
[  874.006847] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  874.015850] test-bond1 (unregistering): Released all slaves
[  874.026409] test-bond0 (unregistering): Released all slaves