[  870.145423][ T9574] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  870.235866][ T9575] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  870.329683][ T9576] br0: port 1(veth0) entered blocking state
[  870.330034][ T9576] br0: port 1(veth0) entered disabled state
[  870.330337][ T9576] veth0: entered allmulticast mode
[  870.331592][ T9576] veth0: entered promiscuous mode
[  870.422845][ T9577] br0: port 2(veth1) entered blocking state
[  870.423119][ T9577] br0: port 2(veth1) entered disabled state
[  870.423396][ T9577] veth1: entered allmulticast mode
[  870.425044][ T9577] veth1: entered promiscuous mode
[  870.876604][ T4919] br0: port 1(veth0) entered blocking state
[  870.876917][ T4919] br0: port 1(veth0) entered forwarding state
[  870.877947][ T4919] br0: port 2(veth1) entered blocking state
[  870.878197][ T4919] br0: port 2(veth1) entered forwarding state
[  872.131900][ T4230] bond0: (slave veth1): link status definitely up
[  872.132465][ T4230] bond0: (slave veth1): making interface the new active one
[  872.134038][ T4230] bond0: active interface up!
[  872.543894][ T4230] veth1: left allmulticast mode
[  872.544209][ T4230] veth1: left promiscuous mode
[  872.544597][ T4230] br0: port 2(veth1) entered disabled state
[  872.547092][ T4230] veth0: left allmulticast mode
[  872.547333][ T4230] veth0: left promiscuous mode
[  872.547739][ T4230] br0: port 1(veth0) entered disabled state
[  872.694064][ T4230] bond0: (slave veth1): Releasing backup interface
[  872.882406][ T4230] bond0: (slave veth0): Releasing backup interface
[  873.284354][ T4230] bond0 (unregistering): Released all slaves