[  827.633437][ T9281] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  827.733747][ T9282] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  827.825303][ T9283] br0: port 1(veth0) entered blocking state
[  827.825625][ T9283] br0: port 1(veth0) entered disabled state
[  827.825926][ T9283] veth0: entered allmulticast mode
[  827.827262][ T9283] veth0: entered promiscuous mode
[  827.935346][ T9284] br0: port 2(veth1) entered blocking state
[  827.935782][ T9284] br0: port 2(veth1) entered disabled state
[  827.936186][ T9284] veth1: entered allmulticast mode
[  827.938679][ T9284] veth1: entered promiscuous mode
[  828.329857][ T8936] br0: port 1(veth0) entered blocking state
[  828.330150][ T8936] br0: port 1(veth0) entered forwarding state
[  828.331354][ T8936] br0: port 2(veth1) entered blocking state
[  828.331617][ T8936] br0: port 2(veth1) entered forwarding state
[  829.601804][ T4973] bond0: (slave veth1): link status definitely up
[  829.602172][ T4973] bond0: (slave veth1): making interface the new active one
[  829.603212][ T4973] bond0: active interface up!
[  830.075876][  T257] veth1: left allmulticast mode
[  830.076096][  T257] veth1: left promiscuous mode
[  830.076458][  T257] br0: port 2(veth1) entered disabled state
[  830.078891][  T257] veth0: left allmulticast mode
[  830.079116][  T257] veth0: left promiscuous mode
[  830.079489][  T257] br0: port 1(veth0) entered disabled state
[  830.282361][  T257] bond0: (slave veth1): Releasing backup interface
[  830.472240][  T257] bond0: (slave veth0): Releasing backup interface
[  830.844727][  T257] bond0 (unregistering): Released all slaves