VXLAN: Add a test file using UDP port 8472 (default on Linux)

It's a copy of vxlan.pcap with updated ports (4789 -> 8472).

Author: fxlb

tests/TESTLIST

@@ -536,6 +536,7 @@ dhcp-option-108	dhcp-option-108.pcapng	dhcp-option-108.out	-v
 
 # VXLAN tests
 vxlan  vxlan.pcap  vxlan.out -e
+vxlan_port_8472 vxlan_port_8472.pcap vxlan_port_8472.out -e
 
 # PPTP tests
 pptp pptp.pcap pptp.out

tests/vxlan_port_8472.out

@@ -0,0 +1,20 @@
+    1  2013-05-18 20:21:44.837063 36:dc:85:1e:b3:40 > 00:16:3e:08:71:cf, ethertype IPv4 (0x0800), length 148: 192.168.203.1.45149 > 192.168.202.1.8472: VXLAN, flags [I] (0x08), vni 100
+00:16:3e:37:f6:04 > 00:30:88:01:00:02, ethertype IPv4 (0x0800), length 98: 192.168.203.3 > 192.168.203.5: ICMP echo request, id 1292, seq 1, length 64
+    2  2013-05-18 20:21:44.882198 00:16:3e:08:71:cf > 36:dc:85:1e:b3:40, ethertype IPv4 (0x0800), length 92: 192.168.202.1.42710 > 192.168.203.1.8472: VXLAN, flags [I] (0x08), vni 100
+00:30:88:01:00:02 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: Request who-has 192.168.203.3 tell 192.168.203.5, length 28
+    3  2013-05-18 20:21:44.882536 36:dc:85:1e:b3:40 > 00:16:3e:08:71:cf, ethertype IPv4 (0x0800), length 92: 192.168.203.1.52102 > 192.168.202.1.8472: VXLAN, flags [I] (0x08), vni 100
+00:16:3e:37:f6:04 > 00:30:88:01:00:02, ethertype ARP (0x0806), length 42: Reply 192.168.203.3 is-at 00:16:3e:37:f6:04, length 28
+    4  2013-05-18 20:21:44.925960 00:16:3e:08:71:cf > 36:dc:85:1e:b3:40, ethertype IPv4 (0x0800), length 148: 192.168.202.1.32894 > 192.168.203.1.8472: VXLAN, flags [I] (0x08), vni 100
+00:30:88:01:00:02 > 00:16:3e:37:f6:04, ethertype IPv4 (0x0800), length 98: 192.168.203.5 > 192.168.203.3: ICMP echo reply, id 1292, seq 1, length 64
+    5  2013-05-18 20:21:45.838156 36:dc:85:1e:b3:40 > 00:16:3e:08:71:cf, ethertype IPv4 (0x0800), length 148: 192.168.203.1.45149 > 192.168.202.1.8472: VXLAN, flags [I] (0x08), vni 100
+00:16:3e:37:f6:04 > 00:30:88:01:00:02, ethertype IPv4 (0x0800), length 98: 192.168.203.3 > 192.168.203.5: ICMP echo request, id 1292, seq 2, length 64
+    6  2013-05-18 20:21:45.881150 00:16:3e:08:71:cf > 36:dc:85:1e:b3:40, ethertype IPv4 (0x0800), length 148: 192.168.202.1.32894 > 192.168.203.1.8472: VXLAN, flags [I] (0x08), vni 100
+00:30:88:01:00:02 > 00:16:3e:37:f6:04, ethertype IPv4 (0x0800), length 98: 192.168.203.5 > 192.168.203.3: ICMP echo reply, id 1292, seq 2, length 64
+    7  2013-05-18 20:21:46.840248 36:dc:85:1e:b3:40 > 00:16:3e:08:71:cf, ethertype IPv4 (0x0800), length 148: 192.168.203.1.45149 > 192.168.202.1.8472: VXLAN, flags [I] (0x08), vni 100
+00:16:3e:37:f6:04 > 00:30:88:01:00:02, ethertype IPv4 (0x0800), length 98: 192.168.203.3 > 192.168.203.5: ICMP echo request, id 1292, seq 3, length 64
+    8  2013-05-18 20:21:46.884062 00:16:3e:08:71:cf > 36:dc:85:1e:b3:40, ethertype IPv4 (0x0800), length 148: 192.168.202.1.32894 > 192.168.203.1.8472: VXLAN, flags [I] (0x08), vni 100
+00:30:88:01:00:02 > 00:16:3e:37:f6:04, ethertype IPv4 (0x0800), length 98: 192.168.203.5 > 192.168.203.3: ICMP echo reply, id 1292, seq 3, length 64
+    9  2013-05-18 20:21:47.841976 36:dc:85:1e:b3:40 > 00:16:3e:08:71:cf, ethertype IPv4 (0x0800), length 148: 192.168.203.1.45149 > 192.168.202.1.8472: VXLAN, flags [I] (0x08), vni 100
+00:16:3e:37:f6:04 > 00:30:88:01:00:02, ethertype IPv4 (0x0800), length 98: 192.168.203.3 > 192.168.203.5: ICMP echo request, id 1292, seq 4, length 64
+   10  2013-05-18 20:21:47.885359 00:16:3e:08:71:cf > 36:dc:85:1e:b3:40, ethertype IPv4 (0x0800), length 148: 192.168.202.1.32894 > 192.168.203.1.8472: VXLAN, flags [I] (0x08), vni 100
+00:30:88:01:00:02 > 00:16:3e:37:f6:04, ethertype IPv4 (0x0800), length 98: 192.168.203.5 > 192.168.203.3: ICMP echo reply, id 1292, seq 4, length 64