[  767.008412] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  767.008569] test-bond1: (slave test-bond0): making interface the new active one
[  767.008679] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  767.028432] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  767.037742] test-bond1: entered promiscuous mode
[  767.037785] test-bond0: entered promiscuous mode
[  768.039986] test-bond1: left promiscuous mode
[  768.040041] test-bond0: left promiscuous mode
[  768.750813] test-dummy0: entered promiscuous mode
[  770.776694] test-dummy0: left promiscuous mode
[  770.903171] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  770.907792] test-bond1 (unregistering): Released all slaves
[  770.920110] test-bond0 (unregistering): Released all slaves