[  874.297475] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  874.297566] test-bond1: (slave test-bond0): making interface the new active one
[  874.297625] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  874.317590] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  874.327603] test-bond1: entered promiscuous mode
[  874.327631] test-bond0: entered promiscuous mode
[  875.329927] test-bond1: left promiscuous mode
[  875.329966] test-bond0: left promiscuous mode
[  875.981219] test-dummy0: entered promiscuous mode
[  877.995733] test-dummy0: left promiscuous mode
[  878.103156] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  878.108362] test-bond1 (unregistering): Released all slaves
[  878.117712] test-bond0 (unregistering): Released all slaves