[  873.733485][ T9426] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  873.833728][ T9427] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  873.915778][ T9428] br0: port 1(veth0) entered blocking state
[  873.916089][ T9428] br0: port 1(veth0) entered disabled state
[  873.924641][ T9428] veth0: entered allmulticast mode
[  873.926008][ T9428] veth0: entered promiscuous mode
[  874.021332][ T9429] br0: port 2(veth1) entered blocking state
[  874.021654][ T9429] br0: port 2(veth1) entered disabled state
[  874.021926][ T9429] veth1: entered allmulticast mode
[  874.023232][ T9429] veth1: entered promiscuous mode
[  874.456849][   T40] br0: port 1(veth0) entered blocking state
[  874.457110][   T40] br0: port 1(veth0) entered forwarding state
[  874.458109][   T40] br0: port 2(veth1) entered blocking state
[  874.458328][   T40] br0: port 2(veth1) entered forwarding state
[  875.720093][ T4498] bond0: (slave veth1): link status definitely up
[  875.720674][ T4498] bond0: (slave veth1): making interface the new active one
[  875.722741][ T4498] bond0: active interface up!
[  876.106095][   T11] veth1: left allmulticast mode
[  876.107285][   T11] veth1: left promiscuous mode
[  876.107749][   T11] br0: port 2(veth1) entered disabled state
[  876.110652][   T11] veth0: left allmulticast mode
[  876.110834][   T11] veth0: left promiscuous mode
[  876.111167][   T11] br0: port 1(veth0) entered disabled state
[  876.318794][   T11] bond0: (slave veth1): Releasing backup interface
[  876.511168][   T11] bond0: (slave veth0): Releasing backup interface
[  876.906518][   T11] bond0 (unregistering): Released all slaves