/usr/src/openvswitch-1.4.0/datapath/linux/ is in openvswitch-datapath-dkms 1.4.0-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/src/openvswitch-1.4.0/datapath/linux/Kbuild.in
/usr/src/openvswitch-1.4.0/datapath/linux/Makefile.in
/usr/src/openvswitch-1.4.0/datapath/linux/Makefile.main.in
/usr/src/openvswitch-1.4.0/datapath/linux/Modules.mk
/usr/src/openvswitch-1.4.0/datapath/linux/compat/
/usr/src/openvswitch-1.4.0/datapath/linux/compat/addrconf_core-openvswitch.c
/usr/src/openvswitch-1.4.0/datapath/linux/compat/dev-openvswitch.c
/usr/src/openvswitch-1.4.0/datapath/linux/compat/flex_array.c
/usr/src/openvswitch-1.4.0/datapath/linux/compat/genetlink-brcompat.c
/usr/src/openvswitch-1.4.0/datapath/linux/compat/genetlink-openvswitch.c
/usr/src/openvswitch-1.4.0/datapath/linux/compat/genetlink.inc
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/compiler-gcc.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/compiler.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/cpumask.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/dmi.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/err.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/flex_array.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/genetlink.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/icmp.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/icmpv6.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/if.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/if_arp.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/if_ether.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/if_vlan.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/in.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/inetdevice.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/ip.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/ipv6.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/jiffies.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/kernel.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/kobject.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/lockdep.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/log2.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/mutex.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/netdevice.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/netfilter_bridge.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/netfilter_ipv4.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/netlink.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/poison.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/rculist.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/rcupdate.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/reciprocal_div.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/rtnetlink.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/skbuff.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/slab.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/stddef.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/tcp.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/timer.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/types.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/u64_stats_sync.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/udp.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/linux/workqueue.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/net/
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/net/checksum.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/net/dst.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/net/genetlink.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/net/ip.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/net/net_namespace.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/net/netlink.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/net/protocol.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/include/net/route.h
/usr/src/openvswitch-1.4.0/datapath/linux/compat/ip_output-openvswitch.c
/usr/src/openvswitch-1.4.0/datapath/linux/compat/kmemdup.c
/usr/src/openvswitch-1.4.0/datapath/linux/compat/netdevice.c
/usr/src/openvswitch-1.4.0/datapath/linux/compat/reciprocal_div.c
/usr/src/openvswitch-1.4.0/datapath/linux/compat/skbuff-openvswitch.c
/usr/src/openvswitch-1.4.0/datapath/linux/compat/time.c