{--directory=,-D+}'[Directory to use as file system root for the namespace container. If omitted the current directory will be used.]:directories:_directories' \
{--boot,-b+}'[Automatically search for an init binary and invoke it instead of a shell or a user supplied program.]' \
{--user=,-u+}'[Run the command under specified user, create home directory and cd into it.]' \
'--private-network[Turn off networking in the container. This makes all network interfaces unavailable in the container, with the exception of the loopback device.]' \
'--read-only[Mount the root file system read only for the container.]' \
'--capability=[List one or more additional capabilities to grant the container.]:capabilities:_nspawn-caps' \
"--link-journal=[Control whether the container's journal shall be made visible to the host system.]:options:(no, host, guest, auto)" \