- return format (s, "%U",
- format_vnet_sw_interface_name, vnm,
- vnet_get_sw_interface (vnm, sw_if_index));
+ vnet_sw_interface_t *si;
+
+ si = vnet_get_sw_interface_safe (vnm, sw_if_index);
+
+ if (NULL == si)
+ {
+ return format (s, "DELETED");
+ }
+ return format (s, "%U", format_vnet_sw_interface_name, vnm, si);