def METHOD_NAME(self):
    cmd = ["vtysh", "-c", 'show bgp summary json']
    rc, output = getstatusoutput_noshell(cmd)
    if rc:
        syslog.syslog(syslog.LOG_ERR, "*ERROR* Failed with rc:{} when execute: {}".format(rc, cmd))
        return
    peer_info = json.loads(output)
    # cmd ran successfully, safe to Clean the "new" set/dict for new snapshot
    self.new_peer_l.clear()
    self.new_peer_state.clear()
    for key, value in peer_info.items():
        if key == "ipv4Unicast" or key == "ipv6Unicast":
            self.update_new_peer_states(value)