[  872.907984] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  872.908087] test-bond1: (slave test-bond0): making interface the new active one
[  872.908163] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  872.928949] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  872.939409] test-bond1: entered promiscuous mode
[  872.939447] test-bond0: entered promiscuous mode
[  873.941586] test-bond1: left promiscuous mode
[  873.941637] test-bond0: left promiscuous mode
[  874.590295] test-dummy0: entered promiscuous mode
[  876.610645] test-dummy0: left promiscuous mode
[  876.740906] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  876.751997] test-bond1 (unregistering): Released all slaves
[  876.762408] test-bond0 (unregistering): Released all slaves