$ time perl -MNet::SSH::Perl -E '$ssh=Net::SSH::Perl->new(localhost, debug => 1); say "connected!"'
topo: Reading configuration data /home/salva/.ssh/config
topo: Reading configuration data /etc/ssh_config
topo: Connecting to localhost, port 22.
topo: Remote protocol version 2.0, remote software version OpenSSH_5.8p1 Debian-4ubuntu1
topo: Net::SSH::Perl Version 1.34, protocol version 2.0.
.opo: No compat match: OpenSSH_5.8p1 Debian-4ubuntu1
topo: Connection established.
connected!

real	0m0.263s
user	0m0.200s
sys	0m0.010s