[  836.580761] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.580933] test-bond1: (slave test-bond0): making interface the new active one
[  836.581067] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.603494] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.614462] test-bond1: entered promiscuous mode
[  836.614502] test-bond0: entered promiscuous mode
[  837.616840] test-bond1: left promiscuous mode
[  837.616889] test-bond0: left promiscuous mode
[  838.287783] test-dummy0: entered promiscuous mode
[  840.305692] test-dummy0: left promiscuous mode
[  840.440006] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.444726] test-bond1 (unregistering): Released all slaves
[  840.457640] test-bond0 (unregistering): Released all slaves