[  520.021415] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  520.032325] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  520.041814] br0: port 1(veth0) entered blocking state
[  520.041874] br0: port 1(veth0) entered disabled state
[  520.041935] veth0: entered allmulticast mode
[  520.042014] veth0: entered promiscuous mode
[  520.052643] br0: port 2(veth1) entered blocking state
[  520.052714] br0: port 2(veth1) entered disabled state
[  520.052764] veth1: entered allmulticast mode
[  520.052855] veth1: entered promiscuous mode
[  521.014338] br0: port 1(veth0) entered blocking state
[  521.014439] br0: port 1(veth0) entered forwarding state
[  521.014547] br0: port 2(veth1) entered blocking state
[  521.014604] br0: port 2(veth1) entered forwarding state
[  522.038294] bond0: (slave veth1): link status definitely up
[  522.038411] bond0: (slave veth1): making interface the new active one
[  522.038475] bond0: active interface up!
[  522.107101] veth1: left allmulticast mode
[  522.107165] veth1: left promiscuous mode
[  522.107230] br0: port 2(veth1) entered disabled state
[  522.107356] veth0: left allmulticast mode
[  522.107405] veth0: left promiscuous mode
[  522.107437] br0: port 1(veth0) entered disabled state
[  522.125487] bond0: (slave veth1): Releasing backup interface
[  522.129392] bond0: (slave veth0): Releasing backup interface
[  522.163462] bond0 (unregistering): Released all slaves