[  900.899360] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  900.899496] test-bond1: (slave test-bond0): making interface the new active one
[  900.899598] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  900.920668] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  900.930743] test-bond1: entered promiscuous mode
[  900.930777] test-bond0: entered promiscuous mode
[  901.933074] test-bond1: left promiscuous mode
[  901.933125] test-bond0: left promiscuous mode
[  902.580338] test-dummy0: entered promiscuous mode
[  904.596593] test-dummy0: left promiscuous mode
[  904.720676] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  904.727900] test-bond1 (unregistering): Released all slaves
[  904.740524] test-bond0 (unregistering): Released all slaves