[  871.669764] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  871.669904] test-bond1: (slave test-bond0): making interface the new active one
[  871.670005] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  871.691335] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  871.701544] test-bond1: entered promiscuous mode
[  871.701584] test-bond0: entered promiscuous mode
[  872.703637] test-bond1: left promiscuous mode
[  872.703688] test-bond0: left promiscuous mode
[  873.368346] test-dummy0: entered promiscuous mode
[  875.384023] test-dummy0: left promiscuous mode
[  875.496307] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  875.503280] test-bond1 (unregistering): Released all slaves
[  875.516352] test-bond0 (unregistering): Released all slaves