[  838.407984] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  838.408161] test-bond1: (slave test-bond0): making interface the new active one
[  838.408266] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  838.434456] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  838.447317] test-bond1: entered promiscuous mode
[  838.447446] test-bond0: entered promiscuous mode
[  839.451111] test-bond1: left promiscuous mode
[  839.451235] test-bond0: left promiscuous mode
[  840.320522] test-dummy0: entered promiscuous mode
[  842.337236] test-dummy0: left promiscuous mode
[  842.496019] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  842.500817] test-bond1 (unregistering): Released all slaves
[  842.515485] test-bond0 (unregistering): Released all slaves