[  874.594596] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  874.594701] test-bond1: (slave test-bond0): making interface the new active one
[  874.594769] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  874.616429] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  874.626785] test-bond1: entered promiscuous mode
[  874.626829] test-bond0: entered promiscuous mode
[  875.628966] test-bond1: left promiscuous mode
[  875.629011] test-bond0: left promiscuous mode
[  876.283522] test-dummy0: entered promiscuous mode
[  878.301701] test-dummy0: left promiscuous mode
[  878.415308] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  878.420938] test-bond1 (unregistering): Released all slaves
[  878.432685] test-bond0 (unregistering): Released all slaves