[  872.312406] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  872.312496] test-bond1: (slave test-bond0): making interface the new active one
[  872.312581] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  872.333201] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  872.343146] test-bond1: entered promiscuous mode
[  872.343211] test-bond0: entered promiscuous mode
[  873.345713] test-bond1: left promiscuous mode
[  873.345791] test-bond0: left promiscuous mode
[  873.975861] test-dummy0: entered promiscuous mode
[  875.990993] test-dummy0: left promiscuous mode
[  876.102929] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  876.110722] test-bond1 (unregistering): Released all slaves
[  876.125554] test-bond0 (unregistering): Released all slaves