[  520.570904] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  520.585679] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  520.599832] br0: port 1(veth0) entered blocking state
[  520.599887] br0: port 1(veth0) entered disabled state
[  520.599945] veth0: entered allmulticast mode
[  520.600018] veth0: entered promiscuous mode
[  520.613415] br0: port 2(veth1) entered blocking state
[  520.613462] br0: port 2(veth1) entered disabled state
[  520.613498] veth1: entered allmulticast mode
[  520.613567] veth1: entered promiscuous mode
[  521.529878] br0: port 1(veth0) entered blocking state
[  521.529975] br0: port 1(veth0) entered forwarding state
[  521.530039] br0: port 2(veth1) entered blocking state
[  521.530074] br0: port 2(veth1) entered forwarding state
[  522.617834] bond0: (slave veth1): link status definitely up
[  522.617898] bond0: (slave veth1): making interface the new active one
[  522.617968] bond0: active interface up!
[  522.650017] veth1: left allmulticast mode
[  522.650072] veth1: left promiscuous mode
[  522.650116] br0: port 2(veth1) entered disabled state
[  522.650367] veth0: left allmulticast mode
[  522.650411] veth0: left promiscuous mode
[  522.650457] br0: port 1(veth0) entered disabled state
[  522.673101] bond0: (slave veth1): Releasing backup interface
[  522.682037] bond0: (slave veth0): Releasing backup interface