netlink/netlink_linux.go
func NetworkSetNsPid(iface *net.Interface, nspid int) error {
	data := uint32Attr(syscall.IFLA_NET_NS_PID, uint32(nspid))
	return networkSetNsAction(iface, data)
}
func NetworkSetNsPid(iface *net.Interface, nspid int) error {
	data := uint32Attr(syscall.IFLA_NET_NS_PID, uint32(nspid))
	return networkSetNsAction(iface, data)
}
// Move a particular network interface to a particular network namespace
// specified by PID. This is identical to running: ip link set dev $name netns $pid