[  923.951972][T21924] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  923.953112][T21924] test-bond1: (slave test-bond0): making interface the new active one
[  923.953451][T21924] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  924.163358][T21936] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  924.226566][T21939] test-bond1: entered promiscuous mode
[  924.226735][T21939] test-bond0: entered promiscuous mode
[  925.236434][T21939] test-bond1: left promiscuous mode
[  925.236592][T21939] test-bond0: left promiscuous mode
[  926.754560][T21941] test-dummy0: entered promiscuous mode
[  928.801461][T21941] test-dummy0: left promiscuous mode
[  928.968967][T21944] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  928.975119][T21944] test-bond1 (unregistering): Released all slaves
[  929.016792][T21945] test-bond0 (unregistering): Released all slaves