[  836.915894] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.915997] test-bond1: (slave test-bond0): making interface the new active one
[  836.916079] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.938188] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.948427] test-bond1: entered promiscuous mode
[  836.948470] test-bond0: entered promiscuous mode
[  837.950676] test-bond1: left promiscuous mode
[  837.950731] test-bond0: left promiscuous mode
[  838.595963] test-dummy0: entered promiscuous mode
[  840.610975] test-dummy0: left promiscuous mode
[  840.732055] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.738254] test-bond1 (unregistering): Released all slaves
[  840.747069] test-bond0 (unregistering): Released all slaves