[  836.983008] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.983113] test-bond1: (slave test-bond0): making interface the new active one
[  836.983203] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  837.005132] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  837.016447] test-bond1: entered promiscuous mode
[  837.016519] test-bond0: entered promiscuous mode
[  838.019358] test-bond1: left promiscuous mode
[  838.019441] test-bond0: left promiscuous mode
[  838.669735] test-dummy0: entered promiscuous mode
[  840.686179] test-dummy0: left promiscuous mode
[  840.812951] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.817902] test-bond1 (unregistering): Released all slaves
[  840.826548] test-bond0 (unregistering): Released all slaves