/usr/share/gocode/src/github.com/docker/libnetwork/drivers/ipvlan/ is in golang-github-docker-libnetwork-dev 0.8.0-dev.2+git20170202.599.45b4086-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gocode/src/github.com/docker/libnetwork/drivers/ipvlan/ipvlan.go
/usr/share/gocode/src/github.com/docker/libnetwork/drivers/ipvlan/ipvlan_endpoint.go
/usr/share/gocode/src/github.com/docker/libnetwork/drivers/ipvlan/ipvlan_joinleave.go
/usr/share/gocode/src/github.com/docker/libnetwork/drivers/ipvlan/ipvlan_network.go
/usr/share/gocode/src/github.com/docker/libnetwork/drivers/ipvlan/ipvlan_setup.go
/usr/share/gocode/src/github.com/docker/libnetwork/drivers/ipvlan/ipvlan_setup_test.go
/usr/share/gocode/src/github.com/docker/libnetwork/drivers/ipvlan/ipvlan_state.go
/usr/share/gocode/src/github.com/docker/libnetwork/drivers/ipvlan/ipvlan_store.go
/usr/share/gocode/src/github.com/docker/libnetwork/drivers/ipvlan/ipvlan_test.go