[  875.644848] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  875.644941] test-bond1: (slave test-bond0): making interface the new active one
[  875.645030] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  875.665539] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  875.675402] test-bond1: entered promiscuous mode
[  875.675435] test-bond0: entered promiscuous mode
[  876.677847] test-bond1: left promiscuous mode
[  876.677900] test-bond0: left promiscuous mode
[  877.327970] test-dummy0: entered promiscuous mode
[  879.342000] test-dummy0: left promiscuous mode
[  879.469452] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  879.482221] test-bond1 (unregistering): Released all slaves
[  879.495081] test-bond0 (unregistering): Released all slaves