[  750.898445] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  750.898600] test-bond1: (slave test-bond0): making interface the new active one
[  750.898720] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  750.916797] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  750.926721] test-bond1: entered promiscuous mode
[  750.926764] test-bond0: entered promiscuous mode
[  751.929643] test-bond1: left promiscuous mode
[  751.929692] test-bond0: left promiscuous mode
[  752.595275] test-dummy0: entered promiscuous mode
[  754.616623] test-dummy0: left promiscuous mode
[  754.727321] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  754.731993] test-bond1 (unregistering): Released all slaves
[  754.744185] test-bond0 (unregistering): Released all slaves