[  521.971220] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.986866] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  522.000184] br0: port 1(veth0) entered blocking state
[  522.000235] br0: port 1(veth0) entered disabled state
[  522.000278] veth0: entered allmulticast mode
[  522.000343] veth0: entered promiscuous mode
[  522.014155] br0: port 2(veth1) entered blocking state
[  522.014215] br0: port 2(veth1) entered disabled state
[  522.014266] veth1: entered allmulticast mode
[  522.014343] veth1: entered promiscuous mode
[  522.143213] br0: port 1(veth0) entered blocking state
[  522.143321] br0: port 1(veth0) entered forwarding state
[  522.143382] br0: port 2(veth1) entered blocking state
[  522.143421] br0: port 2(veth1) entered forwarding state
[  523.999249] bond0: (slave veth1): link status definitely up
[  523.999350] bond0: (slave veth1): making interface the new active one
[  523.999404] bond0: active interface up!
[  524.059413] veth1: left allmulticast mode
[  524.059458] veth1: left promiscuous mode
[  524.059500] br0: port 2(veth1) entered disabled state
[  524.059605] veth0: left allmulticast mode
[  524.059634] veth0: left promiscuous mode
[  524.059662] br0: port 1(veth0) entered disabled state
[  524.093427] bond0: (slave veth1): Releasing backup interface
[  524.114442] bond0: (slave veth0): Releasing backup interface