[  521.851349] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.866920] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.883053] br0: port 1(veth0) entered blocking state
[  521.883119] br0: port 1(veth0) entered disabled state
[  521.883172] veth0: entered allmulticast mode
[  521.883258] veth0: entered promiscuous mode
[  521.897529] br0: port 2(veth1) entered blocking state
[  521.897593] br0: port 2(veth1) entered disabled state
[  521.897632] veth1: entered allmulticast mode
[  521.897697] veth1: entered promiscuous mode
[  522.810591] br0: port 1(veth0) entered blocking state
[  522.810815] br0: port 1(veth0) entered forwarding state
[  522.810889] br0: port 2(veth1) entered blocking state
[  522.810930] br0: port 2(veth1) entered forwarding state
[  523.898533] bond0: (slave veth1): link status definitely up
[  523.898642] bond0: (slave veth1): making interface the new active one
[  523.898714] bond0: active interface up!
[  523.988586] veth1: left allmulticast mode
[  523.988642] veth1: left promiscuous mode
[  523.988695] br0: port 2(veth1) entered disabled state
[  523.988837] veth0: left allmulticast mode
[  523.988879] veth0: left promiscuous mode
[  523.988919] br0: port 1(veth0) entered disabled state
[  524.008224] bond0: (slave veth1): Releasing backup interface
[  524.014908] bond0: (slave veth0): Releasing backup interface
[  524.047780] bond0 (unregistering): Released all slaves