[  971.707561][T21885] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  971.708572][T21885] test-bond1: (slave test-bond0): making interface the new active one
[  971.708936][T21885] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  971.989749][T21900] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  972.056695][T21903] test-bond1: entered promiscuous mode
[  972.056875][T21903] test-bond0: entered promiscuous mode
[  973.068086][T21903] test-bond1: left promiscuous mode
[  973.068291][T21903] test-bond0: left promiscuous mode
[  974.918184][T21905] test-dummy0: entered promiscuous mode
[  976.957177][T21905] test-dummy0: left promiscuous mode
[  977.142346][T21908] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  977.150406][T21908] test-bond1 (unregistering): Released all slaves
[  977.220810][T21909] test-bond0 (unregistering): Released all slaves