[  881.892888][ T9496] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  881.992078][ T9497] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  882.104008][ T9498] br0: port 1(veth0) entered blocking state
[  882.104345][ T9498] br0: port 1(veth0) entered disabled state
[  882.104625][ T9498] veth0: entered allmulticast mode
[  882.106244][ T9498] veth0: entered promiscuous mode
[  882.193991][ T9499] br0: port 2(veth1) entered blocking state
[  882.194338][ T9499] br0: port 2(veth1) entered disabled state
[  882.194596][ T9499] veth1: entered allmulticast mode
[  882.195915][ T9499] veth1: entered promiscuous mode
[  882.712422][   T40] br0: port 1(veth0) entered blocking state
[  882.712766][   T40] br0: port 1(veth0) entered forwarding state
[  882.720031][   T40] br0: port 2(veth1) entered blocking state
[  882.720336][   T40] br0: port 2(veth1) entered forwarding state
[  883.832329][ T8451] bond0: (slave veth1): link status definitely up
[  883.832834][ T8451] bond0: (slave veth1): making interface the new active one
[  883.834226][ T8451] bond0: active interface up!
[  884.075038][ T4646] veth1: left allmulticast mode
[  884.075297][ T4646] veth1: left promiscuous mode
[  884.075703][ T4646] br0: port 2(veth1) entered disabled state
[  884.078965][ T4646] veth0: left allmulticast mode
[  884.079183][ T4646] veth0: left promiscuous mode
[  884.079584][ T4646] br0: port 1(veth0) entered disabled state
[  884.281290][ T4646] bond0: (slave veth1): Releasing backup interface
[  884.420297][ T4646] bond0: (slave veth0): Releasing backup interface
[  884.787458][ T4646] bond0 (unregistering): Released all slaves