[  837.019377][ T9435] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.111778][ T9436] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.207364][ T9437] br0: port 1(veth0) entered blocking state
[  837.207648][ T9437] br0: port 1(veth0) entered disabled state
[  837.207921][ T9437] veth0: entered allmulticast mode
[  837.209128][ T9437] veth0: entered promiscuous mode
[  837.302838][ T9438] br0: port 2(veth1) entered blocking state
[  837.303176][ T9438] br0: port 2(veth1) entered disabled state
[  837.303443][ T9438] veth1: entered allmulticast mode
[  837.304709][ T9438] veth1: entered promiscuous mode
[  837.715925][   T69] br0: port 1(veth0) entered blocking state
[  837.716357][   T69] br0: port 1(veth0) entered forwarding state
[  837.717593][   T69] br0: port 2(veth1) entered blocking state
[  837.717820][   T69] br0: port 2(veth1) entered forwarding state
[  838.980746][ T8541] bond0: (slave veth1): link status definitely up
[  838.981172][ T8541] bond0: (slave veth1): making interface the new active one
[  838.982617][ T8541] bond0: active interface up!
[  839.187531][ T4966] veth1: left allmulticast mode
[  839.187748][ T4966] veth1: left promiscuous mode
[  839.188047][ T4966] br0: port 2(veth1) entered disabled state
[  839.190160][ T4966] veth0: left allmulticast mode
[  839.190332][ T4966] veth0: left promiscuous mode
[  839.190610][ T4966] br0: port 1(veth0) entered disabled state
[  839.341888][ T4966] bond0: (slave veth1): Releasing backup interface
[  839.467516][ T4966] bond0: (slave veth0): Releasing backup interface
[  839.816275][ T4966] bond0 (unregistering): Released all slaves