The Tcpdump Group git mirrors - tcpdump/blob - tests/mptcp-aa-echo.out

   1     1  11:02:20.402400 IP 10.0.1.1.10000 > 10.0.3.2.54737: Flags [.], ack 2863732622, win 510, options [nop,nop,TS val 2041598247 ecr 805948318,mptcp add-addr v1 id 1 10.0.2.1 hmac 0xf8295862f645df19,mptcp dss ack 3502078703], length 0
   2     2  11:02:20.602589 IP 10.0.1.2.35924 > 10.0.1.1.10000: Flags [.], ack 2394667731, win 501, options [nop,nop,TS val 373322532 ecr 4275366718,mptcp add-addr v1-echo id 1 10.0.2.1,mptcp dss ack 17984156407873109865], length 0