[  866.994940] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  866.995089] test-bond1: (slave test-bond0): making interface the new active one
[  866.995201] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  867.016531] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  867.027404] test-bond1: entered promiscuous mode
[  867.027444] test-bond0: entered promiscuous mode
[  868.029632] test-bond1: left promiscuous mode
[  868.029686] test-bond0: left promiscuous mode
[  868.711250] test-dummy0: entered promiscuous mode
[  870.728170] test-dummy0: left promiscuous mode
[  870.845289] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  870.851170] test-bond1 (unregistering): Released all slaves
[  870.864979] test-bond0 (unregistering): Released all slaves