[  837.499797] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  837.499934] test-bond1: (slave test-bond0): making interface the new active one
[  837.500031] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  837.523053] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  837.533994] test-bond1: entered promiscuous mode
[  837.534035] test-bond0: entered promiscuous mode
[  838.536572] test-bond1: left promiscuous mode
[  838.536638] test-bond0: left promiscuous mode
[  839.224401] test-dummy0: entered promiscuous mode
[  841.239901] test-dummy0: left promiscuous mode
[  841.360018] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  841.367167] test-bond1 (unregistering): Released all slaves
[  841.375976] test-bond0 (unregistering): Released all slaves