[  770.784247] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  770.784395] test-bond1: (slave test-bond0): making interface the new active one
[  770.784520] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  770.802697] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  770.816665] test-bond1: entered promiscuous mode
[  770.816741] test-bond0: entered promiscuous mode
[  771.832591] test-bond1: left promiscuous mode
[  771.832684] test-bond0: left promiscuous mode
[  772.494711] test-dummy0: entered promiscuous mode
[  774.526945] test-dummy0: left promiscuous mode
[  774.635315] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  774.641861] test-bond1 (unregistering): Released all slaves
[  774.655383] test-bond0 (unregistering): Released all slaves