[  520.546476] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  520.564514] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  520.576735] br0: port 1(veth0) entered blocking state
[  520.576785] br0: port 1(veth0) entered disabled state
[  520.576825] veth0: entered allmulticast mode
[  520.576885] veth0: entered promiscuous mode
[  520.593451] br0: port 2(veth1) entered blocking state
[  520.593515] br0: port 2(veth1) entered disabled state
[  520.593560] veth1: entered allmulticast mode
[  520.593630] veth1: entered promiscuous mode
[  521.527771] br0: port 1(veth0) entered blocking state
[  521.527865] br0: port 1(veth0) entered forwarding state
[  521.527945] br0: port 2(veth1) entered blocking state
[  521.527989] br0: port 2(veth1) entered forwarding state
[  522.615759] bond0: (slave veth1): link status definitely up
[  522.615879] bond0: (slave veth1): making interface the new active one
[  522.615962] bond0: active interface up!
[  522.739868] veth1: left allmulticast mode
[  522.739919] veth1: left promiscuous mode
[  522.739984] br0: port 2(veth1) entered disabled state
[  522.740089] veth0: left allmulticast mode
[  522.740125] veth0: left promiscuous mode
[  522.740160] br0: port 1(veth0) entered disabled state
[  522.764966] bond0: (slave veth1): Releasing backup interface
[  522.774017] bond0: (slave veth0): Releasing backup interface