[  873.952067] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  873.952158] test-bond1: (slave test-bond0): making interface the new active one
[  873.952240] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  873.973658] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  873.983589] test-bond1: entered promiscuous mode
[  873.983620] test-bond0: entered promiscuous mode
[  874.985464] test-bond1: left promiscuous mode
[  874.985514] test-bond0: left promiscuous mode
[  875.646117] test-dummy0: entered promiscuous mode
[  877.662592] test-dummy0: left promiscuous mode
[  877.778407] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  877.783207] test-bond1 (unregistering): Released all slaves
[  877.799731] test-bond0 (unregistering): Released all slaves