[  852.978684][T21580] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  852.987377][T21580] test-bond1: (slave test-bond0): making interface the new active one
[  852.987851][T21580] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  853.142394][T21588] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  853.261644][T21595] test-bond1: entered promiscuous mode
[  853.261807][T21595] test-bond0: entered promiscuous mode
[  854.288316][T21595] test-bond1: left promiscuous mode
[  854.288690][T21595] test-bond0: left promiscuous mode
[  855.959601][T21603] test-dummy0: entered promiscuous mode
[  858.022733][T21603] test-dummy0: left promiscuous mode
[  858.219136][T21606] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  858.228466][T21606] test-bond1 (unregistering): Released all slaves
[  858.274562][T21607] test-bond0 (unregistering): Released all slaves