!fixup: leverage links

Author: pgj

sbin/wifibox

@@ -306,6 +306,10 @@ has_tap_interface() {
     ${IFCONFIG} "${WIFIBOX_IF}" 2>&1 | capture_output debug ifconfig
 }
 
+get_tap_interface() {
+    ${READLINK} /dev/"${WIFIBOX_IF}"
+}
+
 create_tap() {
     assert_if_tuntap_loaded
 
@@ -554,6 +558,7 @@ vm_manager() {
     local _max_vmm_cpus
     local _nmdm_bhyve
     local _passthru_bhyve
+    local _tap
     local _tap_bhyve
     local _ppt
     local _app_conf
@@ -608,9 +613,10 @@ vm_manager() {
     fi
 
     if has_tap_interface; then
-	_tap_bhyve="-s 5:0,e1000,${WIFIBOX_IF}"
+	_tap=$(get_tap_interface)
+	_tap_bhyve="-s 5:0,e1000,${_tap}"
 	${IFCONFIG} "${WIFIBOX_IF}" up 2>&1 | capture_output debug ifconfig
-	log info "Tap interface is configured"
+	log info "Tap interface is configured (${WIFIBOX_IF} -> ${_tap}"
     else
 	log error "No tap interface is available, cannot proceed"
 	quit_daemonization