$self->{logger}->info("Running cmd on device $self->{device}: '$cmd'");
$self->ethtelnet()->buffer_empty();

my @lines  = $self->ethtelnet()->cmd(String => $cmd, Timeout => $timeout,
                                     Errmode => 'return');
my $error  = $self->ethtelnet()->errmsg();
my $buffer = ${$self->ethtelnet()->buffer()};

if($error)
{
    undef($self->{ethtelnet});
    $self->ConnectConsole();
    die "Telnet error attempting to issue command '$cmd' to eth port,
         error:\n$error\nbuffer:\n$buffer";
}