add few more new ibdiagnet2 counters

ParseInfiniband/ibdiagnet/read_pm.py

@@ -58,7 +58,11 @@ def read_pm(pm_file, short=True, full=False, counters='port_xmit_data', elements
         'port_buffer_overrun_errors',
         'port_dlid_mapping_errors',
         'port_inactive_discards',
-        'port_neighbor_mtu_discards']
+        'port_neighbor_mtu_discards',
+        'port_vl_mapping_errors',
+        'port_looping_errors',
+        'port_sw_lifetime_limit_discards',
+        'port_sw_hoq_lifetime_limit_discards']
     counter_mult_by_4 = [
         'port_xmit_data',
         'port_rcv_data',