[  521.388686] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.403485] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.418756] br0: port 1(veth0) entered blocking state
[  521.418831] br0: port 1(veth0) entered disabled state
[  521.418889] veth0: entered allmulticast mode
[  521.418975] veth0: entered promiscuous mode
[  521.433467] br0: port 2(veth1) entered blocking state
[  521.433525] br0: port 2(veth1) entered disabled state
[  521.433574] veth1: entered allmulticast mode
[  521.433650] veth1: entered promiscuous mode
[  522.363850] br0: port 1(veth0) entered blocking state
[  522.363949] br0: port 1(veth0) entered forwarding state
[  522.364021] br0: port 2(veth1) entered blocking state
[  522.364055] br0: port 2(veth1) entered forwarding state
[  523.451840] bond0: (slave veth1): link status definitely up
[  523.451955] bond0: (slave veth1): making interface the new active one
[  523.452028] bond0: active interface up!
[  523.515983] veth1: left allmulticast mode
[  523.516060] veth1: left promiscuous mode
[  523.516103] br0: port 2(veth1) entered disabled state
[  523.516226] veth0: left allmulticast mode
[  523.516259] veth0: left promiscuous mode
[  523.516301] br0: port 1(veth0) entered disabled state
[  523.533243] bond0: (slave veth1): Releasing backup interface
[  523.542036] bond0: (slave veth0): Releasing backup interface
[  523.581073] bond0 (unregistering): Released all slaves