-AT_CHECK([grep '"monitor"' stderr | grep link2], [1])
-AT_CHECK([grep '"monitor"' stderr | grep l2], [1])
-AT_CHECK([grep '"monitor"' stderr | grep -c '"link1"'], [0], [1
+AT_CHECK([grep '"monitor\|monitor2"' stderr | grep link2], [1])
+AT_CHECK([grep '"monitor\|monitor2"' stderr | grep l2], [1])
+AT_CHECK([grep '"monitor\|monitor2"' stderr | grep -c '"link1"'], [0], [1