tests: Report unexpected STATUS lines instead of stopping

It looks like get_status() has failed in some test runs because of a
STATUS command returning an line without '=' on it. Instead of stopping
there on exception, report the unexpected line in the log and ignore it
to allow test to continue.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

tests/hwsim/wpasupplicant.py

@@ -241,8 +241,11 @@ class WpaSupplicant:
         lines = res.splitlines()
         vals = dict()
         for l in lines:
+            try:
                 [name,value] = l.split('=', 1)
                 vals[name] = value
+            except ValueError, e:
+                logger.info(self.ifname + ": Ignore unexpected STATUS line: " + l)
         return vals
 
     def get_status_field(self, field):