[  873.442204] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  873.442355] test-bond1: (slave test-bond0): making interface the new active one
[  873.442454] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  873.462365] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  873.472619] test-bond1: entered promiscuous mode
[  873.472658] test-bond0: entered promiscuous mode
[  874.474721] test-bond1: left promiscuous mode
[  874.474771] test-bond0: left promiscuous mode
[  875.144866] test-dummy0: entered promiscuous mode
[  877.161784] test-dummy0: left promiscuous mode
[  877.277970] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  877.282921] test-bond1 (unregistering): Released all slaves
[  877.292527] test-bond0 (unregistering): Released all slaves