- else if (streq(name, "udev"))
- group = UDEV_MONITOR_UDEV;
- else if (streq(name, "kernel"))
+ else if (streq(name, "udev")) {
+ /*
+ * We do not support subscribing to uevents if no instance of
+ * udev is running. Uevents would otherwise broadcast the
+ * processing data of the host into containers, which is not
+ * desired.
+ *
+ * Containers will currently not get any udev uevents, until
+ * a supporting infrastructure is available.
+ *
+ * We do not set a netlink multicast group here, so the socket
+ * will not receive any messages.
+ */
+ if (access("/run/udev/control", F_OK) < 0 && !udev_has_devtmpfs(udev)) {
+ udev_dbg(udev, "the udev service seems not to be active, disable the monitor\n");
+ group = UDEV_MONITOR_NONE;
+ } else
+ group = UDEV_MONITOR_UDEV;
+ } else if (streq(name, "kernel"))