[  856.871137][T21328] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  856.872302][T21328] test-bond1: (slave test-bond0): making interface the new active one
[  856.872791][T21328] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  857.020359][T21340] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  857.196395][T21344] test-bond1: entered promiscuous mode
[  857.196609][T21344] test-bond0: entered promiscuous mode
[  858.211957][T21344] test-bond1: left promiscuous mode
[  858.212194][T21344] test-bond0: left promiscuous mode
[  859.797324][T21351] test-dummy0: entered promiscuous mode
[  861.829191][T21351] test-dummy0: left promiscuous mode
[  862.004454][T21354] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  862.014263][T21354] test-bond1 (unregistering): Released all slaves
[  862.066111][T21355] test-bond0 (unregistering): Released all slaves