[  836.573306] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.573408] test-bond1: (slave test-bond0): making interface the new active one
[  836.573486] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.593507] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.603429] test-bond1: entered promiscuous mode
[  836.603493] test-bond0: entered promiscuous mode
[  837.606717] test-bond1: left promiscuous mode
[  837.606799] test-bond0: left promiscuous mode
[  838.261709] test-dummy0: entered promiscuous mode
[  840.276905] test-dummy0: left promiscuous mode
[  840.407306] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.413916] test-bond1 (unregistering): Released all slaves
[  840.428801] test-bond0 (unregistering): Released all slaves