[  746.472315] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  746.472437] test-bond1: (slave test-bond0): making interface the new active one
[  746.472515] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  746.489781] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  746.500156] test-bond1: entered promiscuous mode
[  746.500237] test-bond0: entered promiscuous mode
[  747.502490] test-bond1: left promiscuous mode
[  747.502558] test-bond0: left promiscuous mode
[  748.185967] test-dummy0: entered promiscuous mode
[  750.201123] test-dummy0: left promiscuous mode
[  750.310445] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  750.317122] test-bond1 (unregistering): Released all slaves
[  750.328042] test-bond0 (unregistering): Released all slaves