[  837.755265] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  837.755451] test-bond1: (slave test-bond0): making interface the new active one
[  837.755580] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  837.777649] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  837.788966] test-bond1: entered promiscuous mode
[  837.789045] test-bond0: entered promiscuous mode
[  838.792256] test-bond1: left promiscuous mode
[  838.792343] test-bond0: left promiscuous mode
[  839.510589] test-dummy0: entered promiscuous mode
[  841.536808] test-dummy0: left promiscuous mode
[  841.688921] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  841.694183] test-bond1 (unregistering): Released all slaves
[  841.705047] test-bond0 (unregistering): Released all slaves