updated logging.warn to logging.warning due to deprecation in python3, fixed python 2/3 filter issue in tests, fixed utf decoding for some missed popen commands

daemon/core/emane/commeffect.py

@@ -115,11 +115,11 @@ class EmaneCommEffectModel(emanemodel.EmaneModel):
         """
         service = self.session.emane.service
         if service is None:
-            logging.warn("%s: EMANE event service unavailable", self.name)
+            logging.warning("%s: EMANE event service unavailable", self.name)
             return
 
         if netif is None or netif2 is None:
-            logging.warn("%s: missing NEM information", self.name)
+            logging.warning("%s: missing NEM information", self.name)
             return
 
         # TODO: batch these into multiple events per transmission

daemon/core/emane/emanemanager.py

@@ -807,7 +807,7 @@ class EmaneManager(ModelManager):
         for event in events:
             txnemid, attrs = event
             if "latitude" not in attrs or "longitude" not in attrs or "altitude" not in attrs:
-                logging.warn("dropped invalid location event")
+                logging.warning("dropped invalid location event")
                 continue
 
             # yaw,pitch,roll,azimuth,elevation,velocity are unhandled

daemon/core/emane/emanemodel.py

@@ -156,4 +156,4 @@ class EmaneModel(WirelessModel):
         :param core.netns.vif.Veth netif2: interface two
         :return: nothing
         """
-        logging.warn("emane model(%s) does not support link configuration", self.name)
+        logging.warning("emane model(%s) does not support link configuration", self.name)