[  835.051443][ T9447] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  835.164821][ T9448] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  835.251797][ T9449] br0: port 1(veth0) entered blocking state
[  835.252244][ T9449] br0: port 1(veth0) entered disabled state
[  835.252649][ T9449] veth0: entered allmulticast mode
[  835.254716][ T9449] veth0: entered promiscuous mode
[  835.378807][ T9450] br0: port 2(veth1) entered blocking state
[  835.379152][ T9450] br0: port 2(veth1) entered disabled state
[  835.379425][ T9450] veth1: entered allmulticast mode
[  835.380690][ T9450] veth1: entered promiscuous mode
[  835.763730][   T69] br0: port 1(veth0) entered blocking state
[  835.764000][   T69] br0: port 1(veth0) entered forwarding state
[  835.764951][   T69] br0: port 2(veth1) entered blocking state
[  835.765162][   T69] br0: port 2(veth1) entered forwarding state
[  836.996120][ T8573] bond0: (slave veth1): link status definitely up
[  836.996751][ T8573] bond0: (slave veth1): making interface the new active one
[  836.998677][ T8573] bond0: active interface up!
[  837.240891][ T8573] veth1: left allmulticast mode
[  837.241118][ T8573] veth1: left promiscuous mode
[  837.241476][ T8573] br0: port 2(veth1) entered disabled state
[  837.243661][ T8573] veth0: left allmulticast mode
[  837.243866][ T8573] veth0: left promiscuous mode
[  837.244201][ T8573] br0: port 1(veth0) entered disabled state
[  837.404054][ T8573] bond0: (slave veth1): Releasing backup interface
[  837.550625][ T8573] bond0: (slave veth0): Releasing backup interface
[  837.917270][ T8573] bond0 (unregistering): Released all slaves