[  964.720684][T21537] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  964.738795][T21537] test-bond1: (slave test-bond0): making interface the new active one
[  964.739224][T21537] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  964.908844][T21544] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  964.973228][T21547] test-bond1: entered promiscuous mode
[  964.973408][T21547] test-bond0: entered promiscuous mode
[  965.983364][T21547] test-bond1: left promiscuous mode
[  965.983562][T21547] test-bond0: left promiscuous mode
[  967.504983][T21549] test-dummy0: entered promiscuous mode
[  969.549172][T21549] test-dummy0: left promiscuous mode
[  969.734874][T21552] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  969.742308][T21552] test-bond1 (unregistering): Released all slaves
[  969.782785][T21553] test-bond0 (unregistering): Released all slaves