[  880.693067][ T9554] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  880.785560][ T9555] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  880.881805][ T9556] br0: port 1(veth0) entered blocking state
[  880.882162][ T9556] br0: port 1(veth0) entered disabled state
[  880.882482][ T9556] veth0: entered allmulticast mode
[  880.883731][ T9556] veth0: entered promiscuous mode
[  880.977932][ T9557] br0: port 2(veth1) entered blocking state
[  880.978214][ T9557] br0: port 2(veth1) entered disabled state
[  880.978483][ T9557] veth1: entered allmulticast mode
[  880.979735][ T9557] veth1: entered promiscuous mode
[  881.408976][   T39] br0: port 1(veth0) entered blocking state
[  881.409284][   T39] br0: port 1(veth0) entered forwarding state
[  881.410297][   T39] br0: port 2(veth1) entered blocking state
[  881.410588][   T39] br0: port 2(veth1) entered forwarding state
[  882.632807][ T8722] bond0: (slave veth1): link status definitely up
[  882.633280][ T8722] bond0: (slave veth1): making interface the new active one
[  882.634505][ T8722] bond0: active interface up!
[  882.820399][ T8722] veth1: left allmulticast mode
[  882.820720][ T8722] veth1: left promiscuous mode
[  882.821178][ T8722] br0: port 2(veth1) entered disabled state
[  882.824409][ T8722] veth0: left allmulticast mode
[  882.824720][ T8722] veth0: left promiscuous mode
[  882.825164][ T8722] br0: port 1(veth0) entered disabled state
[  882.998995][ T8722] bond0: (slave veth1): Releasing backup interface
[  883.086925][ T8722] bond0: (slave veth0): Releasing backup interface
[  883.451826][ T8722] bond0 (unregistering): Released all slaves