[  550.448538] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  550.463097] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  550.474890] br0: port 1(veth0) entered blocking state
[  550.474944] br0: port 1(veth0) entered disabled state
[  550.474988] veth0: entered allmulticast mode
[  550.475056] veth0: entered promiscuous mode
[  550.488360] br0: port 2(veth1) entered blocking state
[  550.488417] br0: port 2(veth1) entered disabled state
[  550.488475] veth1: entered allmulticast mode
[  550.488539] veth1: entered promiscuous mode
[  551.437503] br0: port 1(veth0) entered blocking state
[  551.437564] br0: port 1(veth0) entered forwarding state
[  551.437624] br0: port 2(veth1) entered blocking state
[  551.437662] br0: port 2(veth1) entered forwarding state
[  552.505487] bond0: (slave veth1): link status definitely up
[  552.505551] bond0: (slave veth1): making interface the new active one
[  552.505608] bond0: active interface up!
[  552.647135] veth1: left allmulticast mode
[  552.647189] veth1: left promiscuous mode
[  552.647235] br0: port 2(veth1) entered disabled state
[  552.647345] veth0: left allmulticast mode
[  552.647376] veth0: left promiscuous mode
[  552.647407] br0: port 1(veth0) entered disabled state
[  552.668792] bond0: (slave veth1): Releasing backup interface
[  552.679700] bond0: (slave veth0): Releasing backup interface