Parse u' 16:53:48 up 1 day, 21:34,  3 users,  load average: 0.04, 0.14, 0.19\n'

def _parse_uptime_string(self, uptime):
        """ Parse u' 16:53:48 up 1 day, 21:34,  3 users,  load average: 0.04, 0.14, 0.19\n' """
        uptime = uptime.strip()
        load_averages = uptime[uptime.find('load average:') :].split(':')[1].split(',')
        uptime_sec = uptime.split(',')[0]

        return {'loads': list(map(float, load_averages)), 'uptime_sec': uptime_sec}