[  971.715302][T21404] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  971.725422][T21404] test-bond1: (slave test-bond0): making interface the new active one
[  971.725794][T21404] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  971.929510][T21412] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  971.997384][T21415] test-bond1: entered promiscuous mode
[  971.997543][T21415] test-bond0: entered promiscuous mode
[  973.009728][T21415] test-bond1: left promiscuous mode
[  973.009894][T21415] test-bond0: left promiscuous mode
[  974.562497][T21417] test-dummy0: entered promiscuous mode
[  976.602177][T21417] test-dummy0: left promiscuous mode
[  976.779807][T21420] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  976.787667][T21420] test-bond1 (unregistering): Released all slaves
[  976.847114][T21421] test-bond0 (unregistering): Released all slaves