[  837.438842] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  837.439019] test-bond1: (slave test-bond0): making interface the new active one
[  837.439133] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  837.464118] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  837.475863] test-bond1: entered promiscuous mode
[  837.475905] test-bond0: entered promiscuous mode
[  838.478215] test-bond1: left promiscuous mode
[  838.478318] test-bond0: left promiscuous mode
[  839.317348] test-dummy0: entered promiscuous mode
[  841.346015] test-dummy0: left promiscuous mode
[  841.475351] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  841.481016] test-bond1 (unregistering): Released all slaves
[  841.490242] test-bond0 (unregistering): Released all slaves