[  841.416317] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  841.416423] test-bond1: (slave test-bond0): making interface the new active one
[  841.416512] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  841.441210] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  841.452942] test-bond1: entered promiscuous mode
[  841.452987] test-bond0: entered promiscuous mode
[  842.455235] test-bond1: left promiscuous mode
[  842.455290] test-bond0: left promiscuous mode
[  843.217234] test-dummy0: entered promiscuous mode
[  845.235752] test-dummy0: left promiscuous mode
[  845.375988] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  845.380653] test-bond1 (unregistering): Released all slaves
[  845.390034] test-bond0 (unregistering): Released all slaves