Due to new media tables, the audio output on some devices has changed

The error messages were corrupting the contents of the .vminfo.json file.
Error messages are now sent to stderr.

roles/lmn_vm/files/vm-vminfo

@@ -4,6 +4,7 @@ import argparse
 import struct
 import subprocess
 import json
+import sys
 
 from os import environ,path
 from impacket.krb5.ccache import CCache
@@ -25,7 +26,7 @@ def get_printers():
             printers.append(printer)
         return printers
     except subprocess.CalledProcessError as e:
-        print(f"Fehler beim Abrufen der Drucker: {e}")
+        sys.stderr.write(f"Fehler beim Abrufen der Drucker: {e}")
         return []
 
 def get_groups(username):
@@ -34,7 +35,7 @@ def get_groups(username):
         groups = result.stdout.strip().split('\0')
         return groups
     except subprocess.CalledProcessError as e:
-        print(f"Fehler beim Abrufen der Gruppen: {e}")
+        sys.stderr.write(f"Fehler beim Abrufen der Gruppen: {e}")
         return []
 
 def get_krb5 ():
@@ -50,7 +51,7 @@ def get_krb5 ():
             krb5['endtime'] = ccache.credentials[0]['time']['endtime']
             krb5['renew_till'] = ccache.credentials[0]['time']['renew_till']
         except:
-            print("Fehler beim Ticket laden")
+            sys.stderr.write("Fehler beim Ticket laden")
     return krb5
 
 def get_mounts():
@@ -96,7 +97,7 @@ def main():
         nethome = f"/srv/samba/schools/default-school/teachers/{vminfo['User']}"
     else:
         result = subprocess.run(['find', '/srv/samba/schools/default-school/students/', '-name', vminfo['User'], '-maxdepth', '2', '-type', 'd'], capture_output=True, text=True, check=False)
-        nethome = result.stdout
+        nethome = result.stdout.splitlines()[0]
 
     vminfo['Printers'] = get_printers()
     vminfo['krb5'] = get_krb5()