{
if (not $parm_ipv4 and /^\s*inet(?:\saddr)?:?\s?(\d+\.\d+\.\d+\.\d+)(?:\/\d+)?\s/i)
{
+ # It would ne nice to be able to vary the /16 used for manyhome; we could take
+ # an option to runtest used here - but we'd also have to pass it on to fakens.
+ # Possibly an environment variable?
next if $1 =~ /^(?:127|10\.250)\./;
next if $1 eq '0.0.0.0';
$parm_ipv4 = $1;