[  817.487694][ T9620] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  817.581287][ T9621] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  817.702697][ T9622] br0: port 1(veth0) entered blocking state
[  817.703125][ T9622] br0: port 1(veth0) entered disabled state
[  817.704182][ T9622] veth0: entered allmulticast mode
[  817.706247][ T9622] veth0: entered promiscuous mode
[  817.800583][ T9623] br0: port 2(veth1) entered blocking state
[  817.800873][ T9623] br0: port 2(veth1) entered disabled state
[  817.801155][ T9623] veth1: entered allmulticast mode
[  817.802452][ T9623] veth1: entered promiscuous mode
[  818.269378][   T37] br0: port 1(veth0) entered blocking state
[  818.269763][   T37] br0: port 1(veth0) entered forwarding state
[  818.270843][   T37] br0: port 2(veth1) entered blocking state
[  818.271076][   T37] br0: port 2(veth1) entered forwarding state
[  819.453314][ T4946] bond0: (slave veth1): link status definitely up
[  819.453866][ T4946] bond0: (slave veth1): making interface the new active one
[  819.455611][ T4946] bond0: active interface up!
[  819.888266][  T256] veth1: left allmulticast mode
[  819.888543][  T256] veth1: left promiscuous mode
[  819.888871][  T256] br0: port 2(veth1) entered disabled state
[  819.890971][  T256] veth0: left allmulticast mode
[  819.891175][  T256] veth0: left promiscuous mode
[  819.891535][  T256] br0: port 1(veth0) entered disabled state
[  820.044984][  T256] bond0: (slave veth1): Releasing backup interface
[  820.143816][  T256] bond0: (slave veth0): Releasing backup interface
[  820.518489][  T256] bond0 (unregistering): Released all slaves