[  873.959081] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  873.959229] test-bond1: (slave test-bond0): making interface the new active one
[  873.959333] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  873.981450] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  873.991956] test-bond1: entered promiscuous mode
[  873.992001] test-bond0: entered promiscuous mode
[  874.994530] test-bond1: left promiscuous mode
[  874.994584] test-bond0: left promiscuous mode
[  875.673496] test-dummy0: entered promiscuous mode
[  877.695347] test-dummy0: left promiscuous mode
[  877.810592] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  877.815997] test-bond1 (unregistering): Released all slaves
[  877.829668] test-bond0 (unregistering): Released all slaves