[  836.589008] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.589120] test-bond1: (slave test-bond0): making interface the new active one
[  836.589208] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.612251] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.623328] test-bond1: entered promiscuous mode
[  836.623403] test-bond0: entered promiscuous mode
[  837.626103] test-bond1: left promiscuous mode
[  837.626204] test-bond0: left promiscuous mode
[  838.370277] test-dummy0: entered promiscuous mode
[  840.404043] test-dummy0: left promiscuous mode
[  840.546633] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.559206] test-bond1 (unregistering): Released all slaves
[  840.569947] test-bond0 (unregistering): Released all slaves