[  863.472321][ T9744] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  863.576879][ T9745] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  863.699976][ T9746] br0: port 1(veth0) entered blocking state
[  863.700394][ T9746] br0: port 1(veth0) entered disabled state
[  863.700788][ T9746] veth0: entered allmulticast mode
[  863.702805][ T9746] veth0: entered promiscuous mode
[  863.796274][ T9747] br0: port 2(veth1) entered blocking state
[  863.796668][ T9747] br0: port 2(veth1) entered disabled state
[  863.797041][ T9747] veth1: entered allmulticast mode
[  863.799120][ T9747] veth1: entered promiscuous mode
[  864.215996][  T256] br0: port 1(veth0) entered blocking state
[  864.216440][  T256] br0: port 1(veth0) entered forwarding state
[  864.218041][  T256] br0: port 2(veth1) entered blocking state
[  864.218400][  T256] br0: port 2(veth1) entered forwarding state
[  865.439676][  T279] bond0: (slave veth1): link status definitely up
[  865.440496][  T279] bond0: (slave veth1): making interface the new active one
[  865.441754][  T279] bond0: active interface up!
[  865.654104][  T279] veth1: left allmulticast mode
[  865.654369][  T279] veth1: left promiscuous mode
[  865.654690][  T279] br0: port 2(veth1) entered disabled state
[  865.656912][  T279] veth0: left allmulticast mode
[  865.657163][  T279] veth0: left promiscuous mode
[  865.657464][  T279] br0: port 1(veth0) entered disabled state
[  865.854567][  T279] bond0: (slave veth1): Releasing backup interface
[  865.977612][  T279] bond0: (slave veth0): Releasing backup interface
[  866.186350][  T279] bond0 (unregistering): Released all slaves