[  870.757574] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  870.757748] test-bond1: (slave test-bond0): making interface the new active one
[  870.757846] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  870.776778] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  870.785671] test-bond1: entered promiscuous mode
[  870.785741] test-bond0: entered promiscuous mode
[  871.788217] test-bond1: left promiscuous mode
[  871.788378] test-bond0: left promiscuous mode
[  872.419212] test-dummy0: entered promiscuous mode
[  874.443173] test-dummy0: left promiscuous mode
[  874.565248] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  874.570195] test-bond1 (unregistering): Released all slaves
[  874.582551] test-bond0 (unregistering): Released all slaves