[  869.174551][ T9507] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  869.260556][ T9508] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  869.345152][ T9509] br0: port 1(veth0) entered blocking state
[  869.345433][ T9509] br0: port 1(veth0) entered disabled state
[  869.345690][ T9509] veth0: entered allmulticast mode
[  869.346873][ T9509] veth0: entered promiscuous mode
[  869.434963][ T9510] br0: port 2(veth1) entered blocking state
[  869.435324][ T9510] br0: port 2(veth1) entered disabled state
[  869.435603][ T9510] veth1: entered allmulticast mode
[  869.436897][ T9510] veth1: entered promiscuous mode
[  869.936525][ T7407] br0: port 1(veth0) entered blocking state
[  869.936802][ T7407] br0: port 1(veth0) entered forwarding state
[  869.937783][ T7407] br0: port 2(veth1) entered blocking state
[  869.938037][ T7407] br0: port 2(veth1) entered forwarding state
[  871.168470][ T6120] bond0: (slave veth1): link status definitely up
[  871.168867][ T6120] bond0: (slave veth1): making interface the new active one
[  871.170194][ T6120] bond0: active interface up!
[  871.408611][ T6120] veth1: left allmulticast mode
[  871.408822][ T6120] veth1: left promiscuous mode
[  871.409136][ T6120] br0: port 2(veth1) entered disabled state
[  871.411934][ T6120] veth0: left allmulticast mode
[  871.412302][ T6120] veth0: left promiscuous mode
[  871.412652][ T6120] br0: port 1(veth0) entered disabled state
[  871.546761][ T6120] bond0: (slave veth1): Releasing backup interface
[  871.640019][ T6120] bond0: (slave veth0): Releasing backup interface
[  872.005095][ T6120] bond0 (unregistering): Released all slaves