[  518.159712] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  518.174434] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  518.187342] br0: port 1(veth0) entered blocking state
[  518.187401] br0: port 1(veth0) entered disabled state
[  518.187441] veth0: entered allmulticast mode
[  518.187505] veth0: entered promiscuous mode
[  518.201401] br0: port 2(veth1) entered blocking state
[  518.201468] br0: port 2(veth1) entered disabled state
[  518.201530] veth1: entered allmulticast mode
[  518.201623] veth1: entered promiscuous mode
[  519.164735] br0: port 1(veth0) entered blocking state
[  519.164811] br0: port 1(veth0) entered forwarding state
[  519.164909] br0: port 2(veth1) entered blocking state
[  519.164961] br0: port 2(veth1) entered forwarding state
[  520.188776] bond0: (slave veth1): link status definitely up
[  520.188893] bond0: (slave veth1): making interface the new active one
[  520.188951] bond0: active interface up!
[  520.251841] veth1: left allmulticast mode
[  520.251890] veth1: left promiscuous mode
[  520.251936] br0: port 2(veth1) entered disabled state
[  520.252151] veth0: left allmulticast mode
[  520.252187] veth0: left promiscuous mode
[  520.252228] br0: port 1(veth0) entered disabled state
[  520.271956] bond0: (slave veth1): Releasing backup interface
[  520.281856] bond0: (slave veth0): Releasing backup interface