[  872.037740] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  872.037870] test-bond1: (slave test-bond0): making interface the new active one
[  872.037984] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  872.058391] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  872.068689] test-bond1: entered promiscuous mode
[  872.068717] test-bond0: entered promiscuous mode
[  873.070814] test-bond1: left promiscuous mode
[  873.070853] test-bond0: left promiscuous mode
[  873.750143] test-dummy0: entered promiscuous mode
[  875.766821] test-dummy0: left promiscuous mode
[  875.881933] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  875.890419] test-bond1 (unregistering): Released all slaves
[  875.899042] test-bond0 (unregistering): Released all slaves