[  880.899556][ T9524] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  880.999013][ T9525] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  881.080790][ T9526] br0: port 1(veth0) entered blocking state
[  881.081132][ T9526] br0: port 1(veth0) entered disabled state
[  881.081417][ T9526] veth0: entered allmulticast mode
[  881.082646][ T9526] veth0: entered promiscuous mode
[  881.176228][ T9527] br0: port 2(veth1) entered blocking state
[  881.176506][ T9527] br0: port 2(veth1) entered disabled state
[  881.176752][ T9527] veth1: entered allmulticast mode
[  881.178182][ T9527] veth1: entered promiscuous mode
[  881.633859][ T4077] br0: port 1(veth0) entered blocking state
[  881.634249][ T4077] br0: port 1(veth0) entered forwarding state
[  881.635274][ T4077] br0: port 2(veth1) entered blocking state
[  881.635507][ T4077] br0: port 2(veth1) entered forwarding state
[  882.896766][ T8348] bond0: (slave veth1): link status definitely up
[  882.897446][ T8348] bond0: (slave veth1): making interface the new active one
[  882.899350][ T8348] bond0: active interface up!
[  883.325241][ T8348] veth1: left allmulticast mode
[  883.325509][ T8348] veth1: left promiscuous mode
[  883.325846][ T8348] br0: port 2(veth1) entered disabled state
[  883.328040][ T8348] veth0: left allmulticast mode
[  883.328319][ T8348] veth0: left promiscuous mode
[  883.328653][ T8348] br0: port 1(veth0) entered disabled state
[  883.490694][ T8348] bond0: (slave veth1): Releasing backup interface
[  883.688688][ T8348] bond0: (slave veth0): Releasing backup interface
[  884.065349][ T8348] bond0 (unregistering): Released all slaves