[  828.438926][ T9153] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  828.523372][ T9154] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  828.609796][ T9155] br0: port 1(veth0) entered blocking state
[  828.610113][ T9155] br0: port 1(veth0) entered disabled state
[  828.610791][ T9155] veth0: entered allmulticast mode
[  828.612175][ T9155] veth0: entered promiscuous mode
[  828.697471][ T9156] br0: port 2(veth1) entered blocking state
[  828.697732][ T9156] br0: port 2(veth1) entered disabled state
[  828.697961][ T9156] veth1: entered allmulticast mode
[  828.699356][ T9156] veth1: entered promiscuous mode
[  829.159045][ T4996] br0: port 1(veth0) entered blocking state
[  829.159327][ T4996] br0: port 1(veth0) entered forwarding state
[  829.160482][ T4996] br0: port 2(veth1) entered blocking state
[  829.160714][ T4996] br0: port 2(veth1) entered forwarding state
[  830.376965][ T8409] bond0: (slave veth1): link status definitely up
[  830.377560][ T8409] bond0: (slave veth1): making interface the new active one
[  830.379844][ T8409] bond0: active interface up!
[  830.643476][ T8409] veth1: left allmulticast mode
[  830.643729][ T8409] veth1: left promiscuous mode
[  830.644038][ T8409] br0: port 2(veth1) entered disabled state
[  830.646395][ T8409] veth0: left allmulticast mode
[  830.646654][ T8409] veth0: left promiscuous mode
[  830.646961][ T8409] br0: port 1(veth0) entered disabled state
[  830.798000][ T8409] bond0: (slave veth1): Releasing backup interface
[  830.951780][ T8409] bond0: (slave veth0): Releasing backup interface
[  831.300000][ T8409] bond0 (unregistering): Released all slaves