[  837.247281] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  837.247434] test-bond1: (slave test-bond0): making interface the new active one
[  837.247539] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  837.272757] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  837.284348] test-bond1: entered promiscuous mode
[  837.284383] test-bond0: entered promiscuous mode
[  838.287500] test-bond1: left promiscuous mode
[  838.287553] test-bond0: left promiscuous mode
[  839.055759] test-dummy0: entered promiscuous mode
[  841.074524] test-dummy0: left promiscuous mode
[  841.223592] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  841.229081] test-bond1 (unregistering): Released all slaves
[  841.242228] test-bond0 (unregistering): Released all slaves