[  835.992020] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  835.992124] test-bond1: (slave test-bond0): making interface the new active one
[  835.992195] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.019298] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.031416] test-bond1: entered promiscuous mode
[  836.031458] test-bond0: entered promiscuous mode
[  837.034284] test-bond1: left promiscuous mode
[  837.034355] test-bond0: left promiscuous mode
[  837.763260] test-dummy0: entered promiscuous mode
[  839.785245] test-dummy0: left promiscuous mode
[  839.929611] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  839.936252] test-bond1 (unregistering): Released all slaves
[  839.946023] test-bond0 (unregistering): Released all slaves