[  840.836382] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  840.836492] test-bond1: (slave test-bond0): making interface the new active one
[  840.836550] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  840.865050] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  840.878158] test-bond1: entered promiscuous mode
[  840.878205] test-bond0: entered promiscuous mode
[  841.880367] test-bond1: left promiscuous mode
[  841.880425] test-bond0: left promiscuous mode
[  842.596889] test-dummy0: entered promiscuous mode
[  844.625995] test-dummy0: left promiscuous mode
[  844.750035] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  844.756196] test-bond1 (unregistering): Released all slaves
[  844.765221] test-bond0 (unregistering): Released all slaves