diff --git a/ipacm/src/IPACM_Netlink.cpp b/ipacm/src/IPACM_Netlink.cpp
index 9c35497..fa4b8b7 100644
--- a/ipacm/src/IPACM_Netlink.cpp
+++ b/ipacm/src/IPACM_Netlink.cpp
@@ -686,7 +686,8 @@
 					evt_data.evt_data = data_fid;
 					IPACM_EvtDispatcher::PostEvt(&evt_data);
 				}
-
+				/* Andorid platform will use events from usb-driver directly */
+#ifndef FEATURE_IPA_ANDROID
 				/* Add IPACM support for ECM plug-in/plug_out */
 				/*--------------------------------------------------------------------------
                    Check if the interface is running.If its a RTM_NEWLINK and the interface
@@ -723,7 +724,7 @@
                      ---------------------------------------------------------------------------*/
                     evt_data.event = IPA_USB_LINK_UP_EVENT;
 					evt_data.evt_data = data_fid;
-					IPACMDBG_H("Posting usb IPA_LINK_UP_EVENT with if index: %d\n",
+					IPACMDBG_H("Posting usb IPA_USB_LINK_UP_EVENT with if index: %d\n",
 										 data_fid->if_index);
 					IPACM_EvtDispatcher::PostEvt(&evt_data);
                 }
@@ -754,6 +755,7 @@
 										 data_fid->if_index);
 					IPACM_EvtDispatcher::PostEvt(&evt_data);
 				}
+#endif /* not defined(FEATURE_IPA_ANDROID)*/
 			}
 			break;
 
diff --git a/ipacm/src/IPACM_OffloadManager.cpp b/ipacm/src/IPACM_OffloadManager.cpp
index d9a9f4b..4fd6980 100644
--- a/ipacm/src/IPACM_OffloadManager.cpp
+++ b/ipacm/src/IPACM_OffloadManager.cpp
@@ -233,8 +233,6 @@
 	if (cache_need)
 	{
 		IPACMDBG_H("addDownstream name(%s) currently not support in ipa \n", downstream_name);
-		/* add ipacm restart support */
-		push_iface_up(downstream_name, false);
 
 		/* copy to the cache */
 		for(int i = 0; i < MAX_EVENT_CACHE ;i++)
diff --git a/ipacm/src/IPACM_Wan.cpp b/ipacm/src/IPACM_Wan.cpp
index 1a34388..0c2c395 100644
--- a/ipacm/src/IPACM_Wan.cpp
+++ b/ipacm/src/IPACM_Wan.cpp
@@ -3765,34 +3765,11 @@
 
 		memcpy(&(rules[rule_offset + 2]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
 
-		/* Add the fragment filtering rule. */
-		memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));
-
-		flt_rule_entry.at_rear = true;
-		flt_rule_entry.flt_rule_hdl = -1;
-		flt_rule_entry.status = -1;
-
-		flt_rule_entry.rule.retain_hdr = 1;
-		flt_rule_entry.rule.to_uc = 0;
-		flt_rule_entry.rule.eq_attrib_type = 1;
-		flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
-#ifdef FEATURE_IPA_V3
-		flt_rule_entry.rule.hashable = true;
-#endif
-		flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;
-		flt_rule_entry.rule.eq_attrib.rule_eq_bitmap |= (1<<1);
-		flt_rule_entry.rule.eq_attrib.protocol_eq_present = 1;
-		flt_rule_entry.rule.eq_attrib.protocol_eq = IPACM_FIREWALL_IPPROTO_TCP;
-		flt_rule_entry.rule.attrib.u.v6.next_hdr = (uint8_t)IPACM_FIREWALL_IPPROTO_TCP;
-
 		/* Configuring fragment Filtering Rule */
-		memcpy(&flt_rule_entry.rule.attrib,
-					 &rx_prop->rx[0].attrib,
-					 sizeof(flt_rule_entry.rule.attrib));
-		/* remove meta data mask since we only install default flt rules once for all modem PDN*/
-		flt_rule_entry.rule.attrib.attrib_mask &= ~((uint32_t)IPA_FLT_META_DATA);
-
+		flt_rule_entry.rule.attrib.attrib_mask &= ~((uint32_t)IPA_FLT_DST_ADDR);
 		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_FRAGMENT;
+		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_NEXT_HDR;
+		flt_rule_entry.rule.attrib.u.v6.next_hdr = IPACM_FIREWALL_IPPROTO_TCP;
 
 		memset(&flt_eq, 0, sizeof(flt_eq));
 		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));