[  870.488912][ T9574] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  870.579908][ T9575] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  870.661498][ T9576] br0: port 1(veth0) entered blocking state
[  870.661846][ T9576] br0: port 1(veth0) entered disabled state
[  870.662136][ T9576] veth0: entered allmulticast mode
[  870.663762][ T9576] veth0: entered promiscuous mode
[  870.779872][ T9577] br0: port 2(veth1) entered blocking state
[  870.780590][ T9577] br0: port 2(veth1) entered disabled state
[  870.780874][ T9577] veth1: entered allmulticast mode
[  870.782155][ T9577] veth1: entered promiscuous mode
[  871.152732][ T8159] br0: port 1(veth0) entered blocking state
[  871.152989][ T8159] br0: port 1(veth0) entered forwarding state
[  871.153994][ T8159] br0: port 2(veth1) entered blocking state
[  871.154236][ T8159] br0: port 2(veth1) entered forwarding state
[  872.409311][ T4948] bond0: (slave veth1): link status definitely up
[  872.409914][ T4948] bond0: (slave veth1): making interface the new active one
[  872.411370][ T4948] bond0: active interface up!
[  872.658929][ T4948] veth1: left allmulticast mode
[  872.659245][ T4948] veth1: left promiscuous mode
[  872.659593][ T4948] br0: port 2(veth1) entered disabled state
[  872.662016][ T4948] veth0: left allmulticast mode
[  872.662270][ T4948] veth0: left promiscuous mode
[  872.662583][ T4948] br0: port 1(veth0) entered disabled state
[  872.817048][ T4948] bond0: (slave veth1): Releasing backup interface
[  872.952892][ T4948] bond0: (slave veth0): Releasing backup interface
[  873.386598][ T4948] bond0 (unregistering): Released all slaves