[  521.393026] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.406592] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.420024] br0: port 1(veth0) entered blocking state
[  521.420083] br0: port 1(veth0) entered disabled state
[  521.420129] veth0: entered allmulticast mode
[  521.420196] veth0: entered promiscuous mode
[  521.434347] br0: port 2(veth1) entered blocking state
[  521.434412] br0: port 2(veth1) entered disabled state
[  521.434465] veth1: entered allmulticast mode
[  521.434554] veth1: entered promiscuous mode
[  522.427760] br0: port 1(veth0) entered blocking state
[  522.427822] br0: port 1(veth0) entered forwarding state
[  522.427883] br0: port 2(veth1) entered blocking state
[  522.427916] br0: port 2(veth1) entered forwarding state
[  524.475813] bond0: (slave veth0): link status definitely up
[  524.475929] bond0: (slave veth1): link status definitely up
[  524.475964] bond0: (slave veth0): making interface the new active one
[  524.476020] bond0: active interface up!
[  524.538246] veth1: left allmulticast mode
[  524.538309] veth1: left promiscuous mode
[  524.538364] br0: port 2(veth1) entered disabled state
[  524.538474] veth0: left allmulticast mode
[  524.538505] veth0: left promiscuous mode
[  524.538542] br0: port 1(veth0) entered disabled state
[  524.561028] bond0: (slave veth1): Releasing backup interface
[  524.564951] bond0: (slave veth0): Releasing backup interface