Running: tcpdump -ieth1 -Efile /tmp/espdump.7534/sas -s0 -n -vv (esp) and ((host 207.159.187.26 and host 168.62.41.231))
tcpdump: listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes
12:02:25.758089 IP (tos 0x0, ttl 64, id 42052, offset 0, flags [none], proto ESP (50), length 136)
    207.159.187.26 > 168.62.41.231: ESP(spi=0x3553f1ca,seq=0x1), length 116: IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto TCP (6), length 64)
    10.80.1.5.51640 > 10.30.1.4.22: Flags [S], cksum 0x29d7 (correct), seq 1470457047, win 65535, options [mss 1460,nop,wscale 6,nop,nop,TS val 978662926 ecr 0,sackOK,eol], length 0
12:02:26.761521 IP (tos 0x0, ttl 64, id 42140, offset 0, flags [none], proto ESP (50), length 136)
    207.159.187.26 > 168.62.41.231: ESP(spi=0x3553f1ca,seq=0x2), length 116: IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto TCP (6), length 64)
    10.80.1.5.51640 > 10.30.1.4.22: Flags [S], cksum 0x25ef (correct), seq 1470457047, win 65535, options [mss 1460,nop,wscale 6,nop,nop,TS val 978663926 ecr 0,sackOK,eol], length 0
12:02:27.762705 IP (tos 0x0, ttl 64, id 42155, offset 0, flags [none], proto ESP (50), length 136)
    207.159.187.26 > 168.62.41.231: ESP(spi=0x3553f1ca,seq=0x3), length 116: IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto TCP (6), length 64)
    10.80.1.5.51640 > 10.30.1.4.22: Flags [S], cksum 0x2207 (correct), seq 1470457047, win 65535, options [mss 1460,nop,wscale 6,nop,nop,TS val 978664926 ecr 0,sackOK,eol], length 0
12:02:28.763862 IP (tos 0x0, ttl 64, id 42281, offset 0, flags [none], proto ESP (50), length 136)
    207.159.187.26 > 168.62.41.231: ESP(spi=0x3553f1ca,seq=0x4), length 116: IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto TCP (6), length 64)
    10.80.1.5.51640 > 10.30.1.4.22: Flags [S], cksum 0x1e1e (correct), seq 1470457047, win 65535, options [mss 1460,nop,wscale 6,nop,nop,TS val 978665927 ecr 0,sackOK,eol], length 0
12:02:29.765018 IP (tos 0x0, ttl 64, id 42369, offset 0, flags [none], proto ESP (50), length 136)
    207.159.187.26 > 168.62.41.231: ESP(spi=0x3553f1ca,seq=0x5), length 116: IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto TCP (6), length 64)
    10.80.1.5.51640 > 10.30.1.4.22: Flags [S], cksum 0x1a36 (correct), seq 1470457047, win 65535, options [mss 1460,nop,wscale 6,nop,nop,TS val 978666927 ecr 0,sackOK,eol], length 0
12:02:30.765106 IP (tos 0x0, ttl 64, id 42537, offset 0, flags [none], proto ESP (50), length 136)
    207.159.187.26 > 168.62.41.231: ESP(spi=0x3553f1ca,seq=0x6), length 116: IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto TCP (6), length 64)
    10.80.1.5.51640 > 10.30.1.4.22: Flags [S], cksum 0x164e (correct), seq 1470457047, win 65535, options [mss 1460,nop,wscale 6,nop,nop,TS val 978667927 ecr 0,sackOK,eol], length 0
12:02:32.766755 IP (tos 0x0, ttl 64, id 42751, offset 0, flags [none], proto ESP (50), length 136)
    207.159.187.26 > 168.62.41.231: ESP(spi=0x3553f1ca,seq=0x7), length 116: IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto TCP (6), length 64)
    10.80.1.5.51640 > 10.30.1.4.22: Flags [S], cksum 0x0e7d (correct), seq 1470457047, win 65535, options [mss 1460,nop,wscale 6,nop,nop,TS val 978669928 ecr 0,sackOK,eol], length 0
12:02:36.767966 IP (tos 0x0, ttl 64, id 43406, offset 0, flags [none], proto ESP (50), length 136)
    207.159.187.26 > 168.62.41.231: ESP(spi=0x3553f1ca,seq=0x8), length 116: IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto TCP (6), length 64)
    10.80.1.5.51640 > 10.30.1.4.22: Flags [S], cksum 0xfedc (correct), seq 1470457047, win 65535, options [mss 1460,nop,wscale 6,nop,nop,TS val 978673928 ecr 0,sackOK,eol], length 0