[  869.997109] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  869.997236] test-bond1: (slave test-bond0): making interface the new active one
[  869.997331] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  870.023703] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  870.035532] test-bond1: entered promiscuous mode
[  870.035624] test-bond0: entered promiscuous mode
[  871.038463] test-bond1: left promiscuous mode
[  871.038578] test-bond0: left promiscuous mode
[  871.979100] test-dummy0: entered promiscuous mode
[  874.003122] test-dummy0: left promiscuous mode
[  874.160206] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  874.170612] test-bond1 (unregistering): Released all slaves
[  874.183854] test-bond0 (unregistering): Released all slaves