[  840.303001] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  840.303107] test-bond1: (slave test-bond0): making interface the new active one
[  840.303200] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  840.325491] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  840.335962] test-bond1: entered promiscuous mode
[  840.335998] test-bond0: entered promiscuous mode
[  841.338242] test-bond1: left promiscuous mode
[  841.338297] test-bond0: left promiscuous mode
[  842.022601] test-dummy0: entered promiscuous mode
[  844.043711] test-dummy0: left promiscuous mode
[  844.168574] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  844.175901] test-bond1 (unregistering): Released all slaves
[  844.186253] test-bond0 (unregistering): Released all slaves