+{
+ my %input_opts = ('--iprelay' => \$iprelay,
+ '--serial' => \$serial,
+ '--remote-cmd' => \$remote_cmd,
+ '--amt' => \$amt);
+ my @opts = grep(defined(${$input_opts{$_}}) , keys %input_opts);
+
+ print STDERR "novaboot: Warning: More than one target connection option: ".join(', ', @opts) if scalar @opts > 1;
+}
+