software/simpleran: Fix eNB fluentbit tag generation

See merge request nexedi/slapos!1668

software/simpleran/buildout.hash.cfg

@@ -60,7 +60,7 @@ md5sum = 52da9fe3a569199e35ad89ae1a44c30e
 
 [template-enb]
 _update_hash_filename_ = instance-enb.jinja2.cfg
-md5sum = cb8e9d952709c596542a5f7f5b3887eb
+md5sum = 4b5d980bd452981978520358e79fef38
 
 [template-ors-enb]
 _update_hash_filename_ = instance-ors-enb.jinja2.cfg

software/simpleran/instance-enb.jinja2.cfg

@@ -184,8 +184,8 @@ return = gateway-host
 [xlog-fluentbit-tag]
 recipe = slapos.recipe.build
 computer = ${slap-connection:computer-id}
-enb-id = {{ slapparameter_dict.get("enb_id") }}
-gnb-id = {{ slapparameter_dict.get("gnb_id") }}
+enb-id = {{ slapparameter_dict.get("enb_id", "") }}
+gnb-id = {{ slapparameter_dict.get("gnb_id", "") }}
 init =
   import socket