[  766.411993] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  766.412068] test-bond1: (slave test-bond0): making interface the new active one
[  766.412114] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  766.429680] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  766.437854] test-bond1: entered promiscuous mode
[  766.437904] test-bond0: entered promiscuous mode
[  767.439887] test-bond1: left promiscuous mode
[  767.439953] test-bond0: left promiscuous mode
[  768.089065] test-dummy0: entered promiscuous mode
[  770.106217] test-dummy0: left promiscuous mode
[  770.234785] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  770.239216] test-bond1 (unregistering): Released all slaves
[  770.252369] test-bond0 (unregistering): Released all slaves