Mac build support

Unable to build on mac Monterey 12.2.1. Any chance to get around this?

➜  virtiofsd git:(main) cargo build --release
   Compiling vhost v0.3.0
   Compiling futures-executor v0.3.19
   Compiling structopt v0.3.26
error[E0432]: unresolved import `vmm_sys_util::eventfd`
  --> /Users/myuser/.cargo/registry/src/github.com-1ecc6299db9ec823/vhost-0.3.0/src/backend.rs:16:19
   |
16 | use vmm_sys_util::eventfd::EventFd;
   |                   ^^^^^^^ could not find `eventfd` in `vmm_sys_util`

error[E0432]: unresolved import `vmm_sys_util::sock_ctrl_msg`
  --> /Users/myuser/.cargo/registry/src/github.com-1ecc6299db9ec823/vhost-0.3.0/src/vhost_user/connection.rs:18:19
   |
18 | use vmm_sys_util::sock_ctrl_msg::ScmSocket;
   |                   ^^^^^^^^^^^^^ could not find `sock_ctrl_msg` in `vmm_sys_util`

   Compiling futures v0.3.19
error[E0599]: no method named `send_with_fds` found for struct `UnixStream` in the current scope
   --> /Users/myuser/.cargo/registry/src/github.com-1ecc6299db9ec823/vhost-0.3.0/src/vhost_user/connection.rs:142:19
    |
142 |         self.sock.send_with_fds(iovs, rfds).map_err(Into::into)
    |                   ^^^^^^^^^^^^^ method not found in `UnixStream`

error[E0599]: no method named `recv_with_fds` found for struct `UnixStream` in the current scope
   --> /Users/myuser/.cargo/registry/src/github.com-1ecc6299db9ec823/vhost-0.3.0/src/vhost_user/connection.rs:317:45
    |
317 |         let (bytes, _) = unsafe { self.sock.recv_with_fds(&mut iovs, &mut [])? };
    |                                             ^^^^^^^^^^^^^ method not found in `UnixStream`

error[E0599]: no method named `recv_with_fds` found for struct `UnixStream` in the current scope
   --> /Users/myuser/.cargo/registry/src/github.com-1ecc6299db9ec823/vhost-0.3.0/src/vhost_user/connection.rs:349:38
    |
349 |         let (bytes, fds) = self.sock.recv_with_fds(iovs, &mut fd_array)?;
    |                                      ^^^^^^^^^^^^^ method not found in `UnixStream`

Some errors have detailed explanations: E0432, E0599.
For more information about an error, try `rustc --explain E0432`.
error: could not compile `vhost` due to 5 previous errors
warning: build failed, waiting for other jobs to finish...
error: build failed