[  839.968115] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  839.968255] test-bond1: (slave test-bond0): making interface the new active one
[  839.968328] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  839.989891] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  840.000717] test-bond1: entered promiscuous mode
[  840.000785] test-bond0: entered promiscuous mode
[  841.003080] test-bond1: left promiscuous mode
[  841.003129] test-bond0: left promiscuous mode
[  841.747525] test-dummy0: entered promiscuous mode
[  843.762417] test-dummy0: left promiscuous mode
[  843.888394] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  843.893069] test-bond1 (unregistering): Released all slaves
[  843.901851] test-bond0 (unregistering): Released all slaves