[  900.951961] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  900.952068] test-bond1: (slave test-bond0): making interface the new active one
[  900.952144] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  900.968938] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  900.977629] test-bond1: entered promiscuous mode
[  900.977665] test-bond0: entered promiscuous mode
[  901.979967] test-bond1: left promiscuous mode
[  901.980025] test-bond0: left promiscuous mode
[  902.638288] test-dummy0: entered promiscuous mode
[  904.659545] test-dummy0: left promiscuous mode
[  904.808414] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  904.820353] test-bond1 (unregistering): Released all slaves
[  904.830763] test-bond0 (unregistering): Released all slaves