[  521.983229] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.996653] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  522.013574] br0: port 1(veth0) entered blocking state
[  522.013679] br0: port 1(veth0) entered disabled state
[  522.013734] veth0: entered allmulticast mode
[  522.013816] veth0: entered promiscuous mode
[  522.028099] br0: port 2(veth1) entered blocking state
[  522.028157] br0: port 2(veth1) entered disabled state
[  522.028206] veth1: entered allmulticast mode
[  522.028273] veth1: entered promiscuous mode
[  522.939708] br0: port 1(veth0) entered blocking state
[  522.939820] br0: port 1(veth0) entered forwarding state
[  522.939899] br0: port 2(veth1) entered blocking state
[  522.939951] br0: port 2(veth1) entered forwarding state
[  524.027733] bond0: (slave veth1): link status definitely up
[  524.027866] bond0: (slave veth1): making interface the new active one
[  524.027937] bond0: active interface up!
[  524.136349] veth1: left allmulticast mode
[  524.136419] veth1: left promiscuous mode
[  524.136475] br0: port 2(veth1) entered disabled state
[  524.136608] veth0: left allmulticast mode
[  524.136671] veth0: left promiscuous mode
[  524.136717] br0: port 1(veth0) entered disabled state
[  524.162064] bond0: (slave veth1): Releasing backup interface
[  524.169921] bond0: (slave veth0): Releasing backup interface
[  524.206867] bond0 (unregistering): Released all slaves