[  874.528567] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  874.528702] test-bond1: (slave test-bond0): making interface the new active one
[  874.528800] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  874.549705] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  874.560091] test-bond1: entered promiscuous mode
[  874.560132] test-bond0: entered promiscuous mode
[  875.562577] test-bond1: left promiscuous mode
[  875.562633] test-bond0: left promiscuous mode
[  876.238541] test-dummy0: entered promiscuous mode
[  878.252959] test-dummy0: left promiscuous mode
[  878.362784] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  878.368239] test-bond1 (unregistering): Released all slaves
[  878.381138] test-bond0 (unregistering): Released all slaves