[  840.726175] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  840.726321] test-bond1: (slave test-bond0): making interface the new active one
[  840.726419] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  840.747677] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  840.758253] test-bond1: entered promiscuous mode
[  840.758287] test-bond0: entered promiscuous mode
[  841.761029] test-bond1: left promiscuous mode
[  841.761073] test-bond0: left promiscuous mode
[  842.443755] test-dummy0: entered promiscuous mode
[  844.461403] test-dummy0: left promiscuous mode
[  844.573948] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  844.583752] test-bond1 (unregistering): Released all slaves
[  844.593095] test-bond0 (unregistering): Released all slaves