+dnl Modified MPLS controller action.
+AT_CHECK([ovs-ofctl monitor br0 65534 -P nxm --detach --pidfile 2> ofctl_monitor.log])
+
+for i in 1 2 3; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:44:42,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no)'
+done
+
+OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
+AT_CHECK([cat ofctl_monitor.log], [0], [dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:64,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:42,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:64,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:42,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:64,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:42,dl_dst=50:54:00:00:00:07
+])
+
+dnl Modified MPLS controller action.
+AT_CHECK([ovs-ofctl monitor br0 65534 -P nxm --detach --pidfile 2> ofctl_monitor.log])
+
+dnl in_port(1),eth(src=00:01:02:03:04:05,dst=10:11:12:13:14:15),eth_type(0x8847),mpls(label=100,tc=3,ttl=64,bos=1)
+
+for i in 1 2 3; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:44:43,dst=50:54:00:00:00:07),eth_type(0x8847),mpls(label=11,tc=3,ttl=64,bos=1)'
+done
+
+OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
+AT_CHECK([cat ofctl_monitor.log], [0], [dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:64,bos:0),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:43,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:64,bos:0),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:43,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:64,bos:0),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:43,dl_dst=50:54:00:00:00:07
+])
+
+dnl Modified MPLS controller action.
+AT_CHECK([ovs-ofctl monitor br0 65534 -P nxm --detach --pidfile 2> ofctl_monitor.log])
+
+for i in 1 2 3; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:44:44,dst=50:54:00:00:00:07),eth_type(0x8100),vlan(vid=99,pcp=7),encap(eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no))'
+done
+
+OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
+AT_CHECK([cat ofctl_monitor.log], [0], [dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:64,bos:1),metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=7,dl_src=40:44:44:44:44:44,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:64,bos:1),metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=7,dl_src=40:44:44:44:44:44,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:64,bos:1),metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=7,dl_src=40:44:44:44:44:44,dl_dst=50:54:00:00:00:07
+])
+
+dnl Modified MPLS controller action.
+AT_CHECK([ovs-ofctl monitor br0 65534 -P nxm --detach --pidfile 2> ofctl_monitor.log])
+
+for i in 1 2 3; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:44:45,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no)'
+done
+
+OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
+AT_CHECK([cat ofctl_monitor.log], [0], [dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:63,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:45,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:63,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:45,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:63,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:45,dl_dst=50:54:00:00:00:07
+])
+
+dnl Modified MPLS controller action.
+AT_CHECK([ovs-ofctl monitor br0 65534 -P nxm --detach --pidfile 2> ofctl_monitor.log])
+
+for i in 1 2 3; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:44:46,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no)'
+done
+
+OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
+AT_CHECK([cat ofctl_monitor.log], [0], [dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:10,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:46,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:10,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:46,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:10,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:46,dl_dst=50:54:00:00:00:07
+])
+
+dnl Modified MPLS controller action.
+AT_CHECK([ovs-ofctl monitor br0 65534 -P nxm --detach --pidfile 2> ofctl_monitor.log])
+
+for i in 1 2 3; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:44:47,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no)'
+done
+
+OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
+AT_CHECK([cat ofctl_monitor.log], [0], [dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:10,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:47,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:10,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:47,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:10,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:47,dl_dst=50:54:00:00:00:07
+])
+
+dnl Modified MPLS controller action.
+AT_CHECK([ovs-ofctl monitor br0 65534 -P nxm --detach --pidfile 2> ofctl_monitor.log])
+
+for i in 1 2 3; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:44:48,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no)'
+done
+
+OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
+AT_CHECK([cat ofctl_monitor.log], [0], [dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:9,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:48,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:9,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:48,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mpls(label:10,tc:3,ttl:9,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=40:44:44:44:44:48,dl_dst=50:54:00:00:00:07
+])
+
+dnl Modified MPLS actions.
+AT_CHECK([ovs-ofctl monitor br0 65534 -P nxm --detach --pidfile 2> ofctl_monitor.log])
+
+for i in 1 2 3; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:55:55:55:55:55,dst=50:54:00:00:00:07),eth_type(0x8847),mpls(label=100,tc=7,ttl=64,bos=1),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no)'
+done
+
+OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
+AT_CHECK([cat ofctl_monitor.log], [0], [dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xb total_len=60 in_port=1 (via action) data_len=60 (unbuffered)
+mpls(label:1000,tc:7,ttl:64,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=50:55:55:55:55:55,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xb total_len=60 in_port=1 (via action) data_len=60 (unbuffered)
+mpls(label:1000,tc:7,ttl:64,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=50:55:55:55:55:55,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xb total_len=60 in_port=1 (via action) data_len=60 (unbuffered)
+mpls(label:1000,tc:7,ttl:64,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=50:55:55:55:55:55,dl_dst=50:54:00:00:00:07
+])
+
+dnl Modified MPLS ipv6 controller action.
+AT_CHECK([ovs-ofctl monitor br0 65534 -P nxm --detach --pidfile 2> ofctl_monitor.log])
+
+for i in 1 2 3; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=70:77:77:77:77:77,dst=50:54:00:00:00:07),eth_type(0x86dd),ipv6(src=::1,dst=::2,label=0,proto=10,tclass=0x70,hlimit=128,frag=no)'
+done
+
+OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
+AT_CHECK([cat ofctl_monitor.log], [0], [dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xc total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mplsm(label:1000,tc:7,ttl:64,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=70:77:77:77:77:77,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xc total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mplsm(label:1000,tc:7,ttl:64,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=70:77:77:77:77:77,dl_dst=50:54:00:00:00:07
+dnl
+NXT_PACKET_IN (xid=0x0): cookie=0xc total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
+mplsm(label:1000,tc:7,ttl:64,bos:1),metadata=0,in_port=0,vlan_tci=0x0000,dl_src=70:77:77:77:77:77,dl_dst=50:54:00:00:00:07
+])
+
+
+dnl Modified MPLS pop action.
+dnl The input is a frame with two MPLS headers which tcpdump -vve shows as:
+dnl 60:66:66:66:66:66 > 50:54:00:00:00:07, ethertype MPLS multicast (0x8847), length 66: MPLS (label 20, exp 0, ttl 32)
+dnl (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto TCP (6), length 44)
+