[  521.707460] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.721672] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.734685] br0: port 1(veth0) entered blocking state
[  521.734762] br0: port 1(veth0) entered disabled state
[  521.734814] veth0: entered allmulticast mode
[  521.734880] veth0: entered promiscuous mode
[  521.749642] br0: port 2(veth1) entered blocking state
[  521.749696] br0: port 2(veth1) entered disabled state
[  521.749765] veth1: entered allmulticast mode
[  521.749844] veth1: entered promiscuous mode
[  522.680797] br0: port 1(veth0) entered blocking state
[  522.680923] br0: port 1(veth0) entered forwarding state
[  522.681017] br0: port 2(veth1) entered blocking state
[  522.681050] br0: port 2(veth1) entered forwarding state
[  523.768808] bond0: (slave veth1): link status definitely up
[  523.768926] bond0: (slave veth1): making interface the new active one
[  523.769025] bond0: active interface up!
[  523.814206] veth1: left allmulticast mode
[  523.814270] veth1: left promiscuous mode
[  523.814336] br0: port 2(veth1) entered disabled state
[  523.814461] veth0: left allmulticast mode
[  523.814506] veth0: left promiscuous mode
[  523.814553] br0: port 1(veth0) entered disabled state
[  523.835791] bond0: (slave veth1): Releasing backup interface
[  523.838960] bond0: (slave veth0): Releasing backup interface
[  523.860971] bond0 (unregistering): Released all slaves