[  873.707555] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  873.707712] test-bond1: (slave test-bond0): making interface the new active one
[  873.707855] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  873.733419] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  873.745936] test-bond1: entered promiscuous mode
[  873.746017] test-bond0: entered promiscuous mode
[  874.748391] test-bond1: left promiscuous mode
[  874.748440] test-bond0: left promiscuous mode
[  875.403317] test-dummy0: entered promiscuous mode
[  877.418685] test-dummy0: left promiscuous mode
[  877.541354] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  877.554402] test-bond1 (unregistering): Released all slaves
[  877.567096] test-bond0 (unregistering): Released all slaves