dnl sometimes do. At one point, "ovs-vswitchd --detach" would never detach
dnl and use 100% CPU if this happened, so this test checks for regression.
AT_SETUP([ovs-vswitchd detaches correctly with empty db])
-ON_EXIT([kill `cat ovsdb-server.pid ovs-vswitchd.pid`])
+on_exit 'kill `cat ovsdb-server.pid ovs-vswitchd.pid`'
dnl Create database.
touch .conf.db.~lock~