+---------+
                             | M_ESTAB |
                             +---------+
                    M_CLOSE    |     |    rcv DATA_FIN
                     -------   |     |    -------
+---------+       snd DATA_FIN /       \ snd DATA_ACK[DFIN] +-------+
|  M_FIN  |<-----------------           ------------------->|M_CLOSE|
| WAIT-1  |---------------------------                      |  WAIT |
+---------+               rcv DATA_FIN \                    +-------+
  | rcv DATA_ACK[DFIN]         ------- |                   M_CLOSE |
  | --------------        snd DATA_ACK |                   ------- |
  | CLOSE all subflows                 |              snd DATA_FIN |
  V                                    V                           V
+-----------+              +-----------+                 +----------+
|M_FINWAIT-2|              | M_CLOSING |                 |M_LAST-ACK|
+-----------+              +-----------+                 +----------+
  |              rcv DATA_ACK[DFIN] |           rcv DATA_ACK[DFIN] |
  | rcv DATA_FIN     -------------- |               -------------- |
  |  -------     CLOSE all subflows |           CLOSE all subflows |
  | snd DATA_ACK[DFIN]              V            delete MPTCP PCB  V
  \                          +-----------+                 +--------+
    ------------------------>|M_TIME WAIT|---------------->|M_CLOSED|
                             +-----------+                 +--------+
                                        All subflows in CLOSED
                                            ------------
                                        delete MPTCP PCB