[  520.702024] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  520.718064] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  520.734413] br0: port 1(veth0) entered blocking state
[  520.734483] br0: port 1(veth0) entered disabled state
[  520.734534] veth0: entered allmulticast mode
[  520.734613] veth0: entered promiscuous mode
[  520.750768] br0: port 2(veth1) entered blocking state
[  520.750843] br0: port 2(veth1) entered disabled state
[  520.750908] veth1: entered allmulticast mode
[  520.750988] veth1: entered promiscuous mode
[  521.658752] br0: port 1(veth0) entered blocking state
[  521.658852] br0: port 1(veth0) entered forwarding state
[  521.658916] br0: port 2(veth1) entered blocking state
[  521.658972] br0: port 2(veth1) entered forwarding state
[  522.746786] bond0: (slave veth1): link status definitely up
[  522.746924] bond0: (slave veth1): making interface the new active one
[  522.747005] bond0: active interface up!
[  522.856842] veth1: left allmulticast mode
[  522.856895] veth1: left promiscuous mode
[  522.856941] br0: port 2(veth1) entered disabled state
[  522.857067] veth0: left allmulticast mode
[  522.857101] veth0: left promiscuous mode
[  522.857148] br0: port 1(veth0) entered disabled state
[  522.876905] bond0: (slave veth1): Releasing backup interface
[  522.884978] bond0: (slave veth0): Releasing backup interface