[  863.747812][ T9520] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  863.833281][ T9521] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  863.931780][ T9522] br0: port 1(veth0) entered blocking state
[  863.932041][ T9522] br0: port 1(veth0) entered disabled state
[  863.932318][ T9522] veth0: entered allmulticast mode
[  863.933556][ T9522] veth0: entered promiscuous mode
[  864.021621][ T9523] br0: port 2(veth1) entered blocking state
[  864.021889][ T9523] br0: port 2(veth1) entered disabled state
[  864.022124][ T9523] veth1: entered allmulticast mode
[  864.023324][ T9523] veth1: entered promiscuous mode
[  864.501968][   T39] br0: port 1(veth0) entered blocking state
[  864.502300][   T39] br0: port 1(veth0) entered forwarding state
[  864.503693][   T39] br0: port 2(veth1) entered blocking state
[  864.503944][   T39] br0: port 2(veth1) entered forwarding state
[  865.681008][ T8847] bond0: (slave veth1): link status definitely up
[  865.681477][ T8847] bond0: (slave veth1): making interface the new active one
[  865.682837][ T8847] bond0: active interface up!
[  866.053536][  T258] veth1: left allmulticast mode
[  866.053764][  T258] veth1: left promiscuous mode
[  866.054108][  T258] br0: port 2(veth1) entered disabled state
[  866.056874][  T258] veth0: left allmulticast mode
[  866.057069][  T258] veth0: left promiscuous mode
[  866.057363][  T258] br0: port 1(veth0) entered disabled state
[  866.185168][  T258] bond0: (slave veth1): Releasing backup interface
[  866.303164][  T258] bond0: (slave veth0): Releasing backup interface
[  866.708772][  T258] bond0 (unregistering): Released all slaves