[  521.458434] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.479849] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.499685] br0: port 1(veth0) entered blocking state
[  521.499757] br0: port 1(veth0) entered disabled state
[  521.499801] veth0: entered allmulticast mode
[  521.499895] veth0: entered promiscuous mode
[  521.519149] br0: port 2(veth1) entered blocking state
[  521.519214] br0: port 2(veth1) entered disabled state
[  521.519257] veth1: entered allmulticast mode
[  521.519331] veth1: entered promiscuous mode
[  522.425579] br0: port 1(veth0) entered blocking state
[  522.425665] br0: port 1(veth0) entered forwarding state
[  522.425755] br0: port 2(veth1) entered blocking state
[  522.425808] br0: port 2(veth1) entered forwarding state
[  523.513636] bond0: (slave veth1): link status definitely up
[  523.513762] bond0: (slave veth1): making interface the new active one
[  523.513831] bond0: active interface up!
[  523.558015] veth1: left allmulticast mode
[  523.558076] veth1: left promiscuous mode
[  523.558138] br0: port 2(veth1) entered disabled state
[  523.558264] veth0: left allmulticast mode
[  523.558300] veth0: left promiscuous mode
[  523.558361] br0: port 1(veth0) entered disabled state
[  523.585947] bond0: (slave veth1): Releasing backup interface
[  523.592779] bond0: (slave veth0): Releasing backup interface
[  523.618850] bond0 (unregistering): Released all slaves