/usr/share/gocode/src/github.com/vishvananda/netlink/nl/ is in golang-github-vishvananda-netlink-dev 0.0~git20170407.0.1e86b2b-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/addr_linux.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/addr_linux_test.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/conntrack_linux.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/link_linux.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/link_linux_test.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/mpls_linux.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/nl_linux.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/nl_linux_test.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/nl_unspecified.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/route_linux.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/route_linux_test.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/syscall.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/tc_linux.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/tc_linux_test.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/xfrm_linux.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/xfrm_linux_test.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/xfrm_monitor_linux.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/xfrm_monitor_linux_test.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/xfrm_policy_linux.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/xfrm_policy_linux_test.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/xfrm_state_linux.go
/usr/share/gocode/src/github.com/vishvananda/netlink/nl/xfrm_state_linux_test.go