[  840.633233] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  840.633345] test-bond1: (slave test-bond0): making interface the new active one
[  840.633431] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  840.660256] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  840.672569] test-bond1: entered promiscuous mode
[  840.672610] test-bond0: entered promiscuous mode
[  841.675130] test-bond1: left promiscuous mode
[  841.675184] test-bond0: left promiscuous mode
[  842.420561] test-dummy0: entered promiscuous mode
[  844.445417] test-dummy0: left promiscuous mode
[  844.571640] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  844.576075] test-bond1 (unregistering): Released all slaves
[  844.585506] test-bond0 (unregistering): Released all slaves