[  849.741808][ T9655] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  849.836851][ T9656] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  849.925555][ T9657] br0: port 1(veth0) entered blocking state
[  849.925886][ T9657] br0: port 1(veth0) entered disabled state
[  849.926193][ T9657] veth0: entered allmulticast mode
[  849.927497][ T9657] veth0: entered promiscuous mode
[  850.022924][ T9658] br0: port 2(veth1) entered blocking state
[  850.023238][ T9658] br0: port 2(veth1) entered disabled state
[  850.023517][ T9658] veth1: entered allmulticast mode
[  850.024772][ T9658] veth1: entered promiscuous mode
[  850.441097][ T8756] br0: port 1(veth0) entered blocking state
[  850.441465][ T8756] br0: port 1(veth0) entered forwarding state
[  850.442481][ T8756] br0: port 2(veth1) entered blocking state
[  850.442746][ T8756] br0: port 2(veth1) entered forwarding state
[  851.712406][ T8754] bond0: (slave veth1): link status definitely up
[  851.712885][ T8754] bond0: (slave veth1): making interface the new active one
[  851.714144][ T8754] bond0: active interface up!
[  852.137435][   T11] veth1: left allmulticast mode
[  852.137746][   T11] veth1: left promiscuous mode
[  852.138135][   T11] br0: port 2(veth1) entered disabled state
[  852.140618][   T11] veth0: left allmulticast mode
[  852.140857][   T11] veth0: left promiscuous mode
[  852.141211][   T11] br0: port 1(veth0) entered disabled state
[  852.334517][   T11] bond0: (slave veth1): Releasing backup interface
[  852.462542][   T11] bond0: (slave veth0): Releasing backup interface
[  852.655290][   T11] bond0 (unregistering): Released all slaves