[  900.985002] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  900.985110] test-bond1: (slave test-bond0): making interface the new active one
[  900.985201] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  901.007795] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  901.018453] test-bond1: entered promiscuous mode
[  901.018496] test-bond0: entered promiscuous mode
[  902.021335] test-bond1: left promiscuous mode
[  902.021382] test-bond0: left promiscuous mode
[  902.691101] test-dummy0: entered promiscuous mode
[  904.709496] test-dummy0: left promiscuous mode
[  904.841115] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  904.847584] test-bond1 (unregistering): Released all slaves
[  904.861317] test-bond0 (unregistering): Released all slaves