[  521.127966] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.138123] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.148856] br0: port 1(veth0) entered blocking state
[  521.148951] br0: port 1(veth0) entered disabled state
[  521.149018] veth0: entered allmulticast mode
[  521.149116] veth0: entered promiscuous mode
[  521.159876] br0: port 2(veth1) entered blocking state
[  521.159961] br0: port 2(veth1) entered disabled state
[  521.160023] veth1: entered allmulticast mode
[  521.160122] veth1: entered promiscuous mode
[  521.324946] br0: port 1(veth0) entered blocking state
[  521.325025] br0: port 1(veth0) entered forwarding state
[  521.325097] br0: port 2(veth1) entered blocking state
[  521.325155] br0: port 2(veth1) entered forwarding state
[  523.195969] bond0: (slave veth1): link status definitely up
[  523.196078] bond0: (slave veth1): making interface the new active one
[  523.196152] bond0: active interface up!
[  523.311776] veth1: left allmulticast mode
[  523.311868] veth1: left promiscuous mode
[  523.311936] br0: port 2(veth1) entered disabled state
[  523.312086] veth0: left allmulticast mode
[  523.312154] veth0: left promiscuous mode
[  523.312205] br0: port 1(veth0) entered disabled state
[  523.331257] bond0: (slave veth1): Releasing backup interface
[  523.335183] bond0: (slave veth0): Releasing backup interface
[  523.362197] bond0 (unregistering): Released all slaves