/usr/src/openvswitch-1.4.0/include/ is in openvswitch-datapath-dkms 1.4.0-1ubuntu1.
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..
/usr/src/openvswitch-1.4.0/include/automake.mk
/usr/src/openvswitch-1.4.0/include/linux/
/usr/src/openvswitch-1.4.0/include/linux/automake.mk
/usr/src/openvswitch-1.4.0/include/linux/openvswitch.h
/usr/src/openvswitch-1.4.0/include/linux/types.h
/usr/src/openvswitch-1.4.0/include/openflow/
/usr/src/openvswitch-1.4.0/include/openflow/automake.mk
/usr/src/openvswitch-1.4.0/include/openflow/nicira-ext.h
/usr/src/openvswitch-1.4.0/include/openflow/openflow.h
/usr/src/openvswitch-1.4.0/include/openvswitch/
/usr/src/openvswitch-1.4.0/include/openvswitch/automake.mk
/usr/src/openvswitch-1.4.0/include/openvswitch/brcompat-netlink.h
/usr/src/openvswitch-1.4.0/include/openvswitch/datapath-compat.h
/usr/src/openvswitch-1.4.0/include/openvswitch/tunnel.h
/usr/src/openvswitch-1.4.0/include/openvswitch/types.h
/usr/src/openvswitch-1.4.0/include/sparse/
/usr/src/openvswitch-1.4.0/include/sparse/arpa/
/usr/src/openvswitch-1.4.0/include/sparse/arpa/inet.h
/usr/src/openvswitch-1.4.0/include/sparse/assert.h
/usr/src/openvswitch-1.4.0/include/sparse/automake.mk
/usr/src/openvswitch-1.4.0/include/sparse/math.h
/usr/src/openvswitch-1.4.0/include/sparse/netinet/
/usr/src/openvswitch-1.4.0/include/sparse/netinet/in.h
/usr/src/openvswitch-1.4.0/include/sparse/netinet/ip6.h
/usr/src/openvswitch-1.4.0/include/sparse/sys/
/usr/src/openvswitch-1.4.0/include/sparse/sys/socket.h
/usr/src/openvswitch-1.4.0/include/sparse/sys/wait.h