[  766.493060] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  766.493164] test-bond1: (slave test-bond0): making interface the new active one
[  766.493247] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  766.509628] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  766.517906] test-bond1: entered promiscuous mode
[  766.517974] test-bond0: entered promiscuous mode
[  767.520025] test-bond1: left promiscuous mode
[  767.520111] test-bond0: left promiscuous mode
[  768.158381] test-dummy0: entered promiscuous mode
[  770.173883] test-dummy0: left promiscuous mode
[  770.283806] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  770.287725] test-bond1 (unregistering): Released all slaves
[  770.303754] test-bond0 (unregistering): Released all slaves