[  870.014960] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  870.015135] test-bond1: (slave test-bond0): making interface the new active one
[  870.015304] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  870.033718] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  870.043657] test-bond1: entered promiscuous mode
[  870.043726] test-bond0: entered promiscuous mode
[  871.047183] test-bond1: left promiscuous mode
[  871.047285] test-bond0: left promiscuous mode
[  871.686656] test-dummy0: entered promiscuous mode
[  873.702348] test-dummy0: left promiscuous mode
[  873.822392] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  873.832303] test-bond1 (unregistering): Released all slaves
[  873.844398] test-bond0 (unregistering): Released all slaves