[  838.001622][ T9391] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.106315][ T9392] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.186423][ T9393] br0: port 1(veth0) entered blocking state
[  838.186718][ T9393] br0: port 1(veth0) entered disabled state
[  838.186986][ T9393] veth0: entered allmulticast mode
[  838.188270][ T9393] veth0: entered promiscuous mode
[  838.287987][ T9394] br0: port 2(veth1) entered blocking state
[  838.288288][ T9394] br0: port 2(veth1) entered disabled state
[  838.288543][ T9394] veth1: entered allmulticast mode
[  838.289768][ T9394] veth1: entered promiscuous mode
[  838.703955][  T871] br0: port 1(veth0) entered blocking state
[  838.704358][  T871] br0: port 1(veth0) entered forwarding state
[  838.705902][  T871] br0: port 2(veth1) entered blocking state
[  838.706153][  T871] br0: port 2(veth1) entered forwarding state
[  839.936596][ T8726] bond0: (slave veth1): link status definitely up
[  839.937012][ T8726] bond0: (slave veth1): making interface the new active one
[  839.938354][ T8726] bond0: active interface up!
[  840.390351][ T8726] veth1: left allmulticast mode
[  840.390562][ T8726] veth1: left promiscuous mode
[  840.390896][ T8726] br0: port 2(veth1) entered disabled state
[  840.393230][ T8726] veth0: left allmulticast mode
[  840.393434][ T8726] veth0: left promiscuous mode
[  840.393720][ T8726] br0: port 1(veth0) entered disabled state
[  840.547621][ T8726] bond0: (slave veth1): Releasing backup interface
[  840.686547][ T8726] bond0: (slave veth0): Releasing backup interface
[  841.046359][ T8726] bond0 (unregistering): Released all slaves