[  683.746252] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  683.746371] test-bond1: (slave test-bond0): making interface the new active one
[  683.746448] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  683.768484] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  683.781432] test-bond1: entered promiscuous mode
[  683.781457] test-bond0: entered promiscuous mode
[  684.785285] test-bond1: left promiscuous mode
[  684.785329] test-bond0: left promiscuous mode
[  685.467967] test-dummy0: entered promiscuous mode
[  687.493485] test-dummy0: left promiscuous mode
[  687.604653] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  687.608857] test-bond1 (unregistering): Released all slaves
[  687.620591] test-bond0 (unregistering): Released all slaves