[  870.172247] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  870.172357] test-bond1: (slave test-bond0): making interface the new active one
[  870.172473] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  870.194305] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  870.204951] test-bond1: entered promiscuous mode
[  870.205030] test-bond0: entered promiscuous mode
[  871.207935] test-bond1: left promiscuous mode
[  871.208045] test-bond0: left promiscuous mode
[  871.847112] test-dummy0: entered promiscuous mode
[  873.869473] test-dummy0: left promiscuous mode
[  873.986682] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  873.998013] test-bond1 (unregistering): Released all slaves
[  874.006749] test-bond0 (unregistering): Released all slaves