[  550.885233] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  550.898933] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  550.913607] br0: port 1(veth0) entered blocking state
[  550.913671] br0: port 1(veth0) entered disabled state
[  550.913728] veth0: entered allmulticast mode
[  550.913816] veth0: entered promiscuous mode
[  550.927859] br0: port 2(veth1) entered blocking state
[  550.927929] br0: port 2(veth1) entered disabled state
[  550.927984] veth1: entered allmulticast mode
[  550.928076] veth1: entered promiscuous mode
[  551.019533] br0: port 1(veth0) entered blocking state
[  551.019639] br0: port 1(veth0) entered forwarding state
[  551.019717] br0: port 2(veth1) entered blocking state
[  551.019759] br0: port 2(veth1) entered forwarding state
[  552.954546] bond0: (slave veth1): link status definitely up
[  552.954652] bond0: (slave veth1): making interface the new active one
[  552.954708] bond0: active interface up!
[  553.002915] veth1: left allmulticast mode
[  553.002971] veth1: left promiscuous mode
[  553.003015] br0: port 2(veth1) entered disabled state
[  553.003131] veth0: left allmulticast mode
[  553.003186] veth0: left promiscuous mode
[  553.003233] br0: port 1(veth0) entered disabled state
[  553.024928] bond0: (slave veth1): Releasing backup interface
[  553.032764] bond0: (slave veth0): Releasing backup interface