diff --git a/src/core/nm-l3cfg.c b/src/core/nm-l3cfg.c
index f3b7f556f9..731c4c5928 100644
--- a/src/core/nm-l3cfg.c
+++ b/src/core/nm-l3cfg.c
@@ -3724,6 +3724,8 @@ _l3cfg_update_combined_config(NML3Cfg               *self,
         }
 
         if (self->priv.ifindex == NM_LOOPBACK_IFINDEX) {
+            NMPlatformIPXRoute rx;
+
             if (!nm_l3_config_data_lookup_address_4(l3cd,
                                                     NM_IPV4LO_NETWORK,
                                                     8,
@@ -3743,6 +3745,21 @@ _l3cfg_update_combined_config(NML3Cfg               *self,
                 };
                 nm_l3_config_data_add_address_6(l3cd, &ip6_address);
             }
+
+            rx.r4 = (NMPlatformIP4Route){
+                .ifindex       = 1,
+                .rt_source     = NM_IP_CONFIG_SOURCE_KERNEL,
+                .network       = NM_IPV4LO_NETWORK,
+                .plen          = 8,
+                .table_coerced = nm_platform_route_table_coerce(RT_TABLE_LOCAL),
+                .scope_inv     = nm_platform_route_scope_inv(RT_SCOPE_HOST),
+                .type_coerced  = nm_platform_route_type_coerce(RTN_LOCAL),
+            };
+            nm_platform_ip_route_normalize(AF_INET, &rx.rx);
+            if (!nm_l3_config_data_lookup_route(l3cd, AF_INET, &rx.rx)) {
+                _LOGE("---- adding loopback route");
+                nm_l3_config_data_add_route_4(l3cd, &rx.r4);
+            }
         }
         for (i = 0; i < l3_config_datas_len; i++) {
             const L3ConfigData *l3cd_data = l3_config_datas_arr[i];
diff --git a/src/libnm-glib-aux/nm-inet-utils.h b/src/libnm-glib-aux/nm-inet-utils.h
index 2c1bd4126e..3532401b74 100644
--- a/src/libnm-glib-aux/nm-inet-utils.h
+++ b/src/libnm-glib-aux/nm-inet-utils.h
@@ -230,9 +230,10 @@ gboolean nm_ip6_addr_is_ula(const struct in6_addr *address);
 
 /*****************************************************************************/
 
-#define NM_IPV4LL_NETWORK ((in_addr_t) htonl(0xA9FE0000lu))
-#define NM_IPV4LL_NETMASK ((in_addr_t) htonl(0xFFFF0000lu))
-#define NM_IPV4LO_NETWORK ((in_addr_t) htonl(0x7F000001lu))
+#define NM_IPV4LL_NETWORK    ((in_addr_t) htonl(0xA9FE0000lu))
+#define NM_IPV4LL_NETMASK    ((in_addr_t) htonl(0xFFFF0000lu))
+#define NM_IPV4LO_NETWORK    ((in_addr_t) htonl(0x7F000001lu))
+#define NM_IPV4LO_RT_NETWORK ((in_addr_t) htonl(0x7F000000lu))
 
 static inline gboolean
 nm_ip4_addr_is_loopback(in_addr_t addr)
diff --git a/src/libnm-platform/nm-platform.c b/src/libnm-platform/nm-platform.c
index 33a2f103bb..d5620446da 100644
--- a/src/libnm-platform/nm-platform.c
+++ b/src/libnm-platform/nm-platform.c
@@ -4770,6 +4770,44 @@ nm_platform_ip_route_get_prune_list(NMPlatform            *self,
              * pruning them. */
 
             if (NM_IS_IPv4(addr_family)) {
+                _LOGD("*************drop route start**************");
+                if (rt->r4.network == NM_IPV4LO_NETWORK) {
+                    _LOGD("*************drop route1**************");
+                    rt_local4 = (NMPlatformIP4Route){
+                        .ifindex       = ifindex,
+                        .type_coerced  = nm_platform_route_type_coerce(RTN_LOCAL),
+                        .plen          = 32,
+                        .rt_source     = NM_IPV4LO_NETWORK,
+                        .metric        = 0,
+                        .table_coerced = nm_platform_route_table_coerce(local_table),
+                        .scope_inv     = nm_platform_route_scope_inv(RT_SCOPE_HOST),
+                        .network       = NM_IPV4LO_NETWORK,
+                        .pref_src      = NM_IPV4LO_NETWORK,
+                    };
+                } else if (rt->r4.network == NM_IPV4LO_RT_NETWORK) {
+                    _LOGD("*************drop route2**************");
+                    rt_local4 = (NMPlatformIP4Route){
+                        .ifindex       = ifindex,
+                        .type_coerced  = nm_platform_route_type_coerce(RTN_LOCAL),
+                        .plen          = 8,
+                        .rt_source     = NM_IPV4LO_NETWORK,
+                        .metric        = 0,
+                        .table_coerced = nm_platform_route_table_coerce(local_table),
+                        .scope_inv     = nm_platform_route_scope_inv(RT_SCOPE_HOST),
+                        .network       = NM_IPV4LO_RT_NETWORK,
+                        .pref_src      = NM_IPV4LO_NETWORK,
+                    };
+                }
+                if (nm_platform_ip4_route_cmp(&rt->r4,
+                                              &rt_local4,
+                                              NM_PLATFORM_IP_ROUTE_CMP_TYPE_SEMANTICALLY)
+                    == 0) {
+                    _LOGD("*************drop route**************");
+                    continue;
+                }
+            }
+            if (NM_IS_IPv4(addr_family)) {
+                _LOGD("++++++++++++drop route general++++++++++++++");
                 /* for each IPv4 address kernel adds a route like
                  *
                  *  local $ADDR dev $IFACE table local proto kernel scope host src $PRIMARY_ADDR