[  836.468098] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.468244] test-bond1: (slave test-bond0): making interface the new active one
[  836.468345] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.492195] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.504669] test-bond1: entered promiscuous mode
[  836.504711] test-bond0: entered promiscuous mode
[  837.506850] test-bond1: left promiscuous mode
[  837.506903] test-bond0: left promiscuous mode
[  838.191369] test-dummy0: entered promiscuous mode
[  840.207039] test-dummy0: left promiscuous mode
[  840.326492] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.332128] test-bond1 (unregistering): Released all slaves
[  840.346021] test-bond0 (unregistering): Released all slaves