vpnkit-tap-vsockd: add missing --verbose, -v arguments
vpnkit-tap-vsockd: add missing --verbose, -v arguments

Previously there was no way to increment the `verbose` flag.

Signed-off-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@docker.com>

djs55/vpnkit,djs55/vpnkit,djs55/vpnkit