[  836.522742] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.522848] test-bond1: (slave test-bond0): making interface the new active one
[  836.522939] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.544699] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.554978] test-bond1: entered promiscuous mode
[  836.555043] test-bond0: entered promiscuous mode
[  837.557131] test-bond1: left promiscuous mode
[  837.557214] test-bond0: left promiscuous mode
[  838.212008] test-dummy0: entered promiscuous mode
[  840.226753] test-dummy0: left promiscuous mode
[  840.355480] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.366969] test-bond1 (unregistering): Released all slaves
[  840.381691] test-bond0 (unregistering): Released all slaves