[  843.907237][ T9924] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  844.002987][ T9925] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  844.119863][ T9926] br0: port 1(veth0) entered blocking state
[  844.120316][ T9926] br0: port 1(veth0) entered disabled state
[  844.120686][ T9926] veth0: entered allmulticast mode
[  844.122650][ T9926] veth0: entered promiscuous mode
[  844.215529][ T9927] br0: port 2(veth1) entered blocking state
[  844.215788][ T9927] br0: port 2(veth1) entered disabled state
[  844.216064][ T9927] veth1: entered allmulticast mode
[  844.224229][ T9927] veth1: entered promiscuous mode
[  844.611434][   T45] br0: port 1(veth0) entered blocking state
[  844.611759][   T45] br0: port 1(veth0) entered forwarding state
[  844.612791][   T45] br0: port 2(veth1) entered blocking state
[  844.613107][   T45] br0: port 2(veth1) entered forwarding state
[  845.873387][   T11] bond0: (slave veth1): link status definitely up
[  845.873788][   T11] bond0: (slave veth1): making interface the new active one
[  845.875030][   T11] bond0: active interface up!
[  846.093532][ T4981] veth1: left allmulticast mode
[  846.093817][ T4981] veth1: left promiscuous mode
[  846.094173][ T4981] br0: port 2(veth1) entered disabled state
[  846.096396][ T4981] veth0: left allmulticast mode
[  846.096602][ T4981] veth0: left promiscuous mode
[  846.096975][ T4981] br0: port 1(veth0) entered disabled state
[  846.230462][ T4981] bond0: (slave veth1): Releasing backup interface
[  846.434671][ T4981] bond0: (slave veth0): Releasing backup interface
[  846.845060][ T4981] bond0 (unregistering): Released all slaves