fix netdev regex

src/pvecommon/__init__.py

@@ -0,0 +1,15 @@
+import pexpect
+
+global_qm_timeout = 10
+
+def qm_term_cmd(vm_id, cmd, timeout=global_qm_timeout):
+    child = pexpect.spawn(f'qm monitor {vm_id}')
+    try:
+        child.expect('qm>', timeout=timeout)
+        child.sendline(cmd)
+        child.expect('qm>', timeout=timeout)
+        raw_output = child.before.decode('utf-8').strip()
+    finally:
+        child.close()
+
+    return raw_output