[  874.700250] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  874.700442] test-bond1: (slave test-bond0): making interface the new active one
[  874.700575] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  874.726028] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  874.738543] test-bond1: entered promiscuous mode
[  874.738600] test-bond0: entered promiscuous mode
[  875.741356] test-bond1: left promiscuous mode
[  875.741415] test-bond0: left promiscuous mode
[  876.689047] test-dummy0: entered promiscuous mode
[  878.713593] test-dummy0: left promiscuous mode
[  878.871168] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  878.879129] test-bond1 (unregistering): Released all slaves
[  878.891343] test-bond0 (unregistering): Released all slaves