[  873.270251] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  873.270359] test-bond1: (slave test-bond0): making interface the new active one
[  873.270452] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  873.293814] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  873.304733] test-bond1: entered promiscuous mode
[  873.304777] test-bond0: entered promiscuous mode
[  874.307047] test-bond1: left promiscuous mode
[  874.307102] test-bond0: left promiscuous mode
[  874.979551] test-dummy0: entered promiscuous mode
[  876.998254] test-dummy0: left promiscuous mode
[  877.112503] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  877.118452] test-bond1 (unregistering): Released all slaves
[  877.130325] test-bond0 (unregistering): Released all slaves