Function exists

src/linux/routing/link/link.cpp:111–118

Try<bool> exists(const string& _link)
{
  Result<Netlink<struct rtnl_link>> link = internal::get(_link);
  if (link.isError()) {
    return Error(link.error());
  }
  return link.isSome();
}


Try<bool> remove(const string& _link)