[  900.970094] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  900.970190] test-bond1: (slave test-bond0): making interface the new active one
[  900.970279] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  900.990758] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  901.000662] test-bond1: entered promiscuous mode
[  901.000697] test-bond0: entered promiscuous mode
[  902.002867] test-bond1: left promiscuous mode
[  902.002931] test-bond0: left promiscuous mode
[  902.646771] test-dummy0: entered promiscuous mode
[  904.662668] test-dummy0: left promiscuous mode
[  904.785873] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  904.791934] test-bond1 (unregistering): Released all slaves
[  904.805625] test-bond0 (unregistering): Released all slaves