[  747.373967] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  747.374136] test-bond1: (slave test-bond0): making interface the new active one
[  747.374248] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  747.392253] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  747.404048] test-bond1: entered promiscuous mode
[  747.404129] test-bond0: entered promiscuous mode
[  748.407014] test-bond1: left promiscuous mode
[  748.407109] test-bond0: left promiscuous mode
[  749.136622] test-dummy0: entered promiscuous mode
[  751.157086] test-dummy0: left promiscuous mode
[  751.283075] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  751.288094] test-bond1 (unregistering): Released all slaves
[  751.296190] test-bond0 (unregistering): Released all slaves