/usr/bin/varnishncsa: invalid option -- '-'
Usage: /usr/bin/varnishncsa <options>

Options:
 [-0]                      Check configuration
 [-a]                      Append to file
 [-b]                      Backend mode
 [-c]                      Client mode
 [-C]                      Caseless regular expressions
 [-d]                      Process old log entries and exit
 [-D]                      Daemonize
 [-E]                      Show ESI requests
 [-F <format>]             Set output format
 [-f <formatfile>]         Read output format from file
 [-g <request|vxid>]       Grouping mode (default: vxid)
 [-h]                      Usage help
 [-j]                      Make output JSON-compatible
 [-k <num>]                Limit transactions
 [-L <limit>]              Incomplete transaction limit
 [-n <workdir>]            varnish working directory
 [-P <file>]               PID file
 [-Q <file>]               VSL query file
 [-q <query>]              VSL query
 [-r <filename>]           Binary file input
 [-R <limit[/duration]>]   Output rate limit
 [-t <seconds|off>]        VSM connection timeout
 [-V]                      Version
 [-w <filename>]           Output filename