diff --git a/include/villas/hist.h b/include/villas/hist.h
index c68a066c5..f56476abc 100644
--- a/include/villas/hist.h
+++ b/include/villas/hist.h
@@ -10,11 +10,9 @@
 #include <stdio.h>
 #include <stdint.h>
 
-#include "config.h"
+#include <jansson.h>
 
-#ifdef WITH_JANSSON
-  #include <jansson.h>
-#endif
+#include "config.h"
 
 #define HIST_HEIGHT	(LOG_WIDTH - 55)
 #define HIST_SEQ	17
diff --git a/include/villas/log.h b/include/villas/log.h
index 4b8afb4fd..59432d127 100644
--- a/include/villas/log.h
+++ b/include/villas/log.h
@@ -72,7 +72,8 @@ struct log {
 	int level;
 
 	/** Debug facilities used by the debug() macro. */
-	int facilities;
+	long facilities;
+	
 };
 
 /** Initialize log object */
diff --git a/include/villas/path.h b/include/villas/path.h
index 5c090fea8..1efebe1a5 100644
--- a/include/villas/path.h
+++ b/include/villas/path.h
@@ -54,19 +54,19 @@ struct path
 	struct path_source *source;	/**< Pointer to the incoming node */
 	struct list destinations;	/**< List of all outgoing nodes (struct path_destination). */
 
-	struct list hooks;		/**< List of function pointers to hooks */
+	struct list hooks;		/**< List of function pointers to hooks. */
 
-	int enabled;			/**< Is this path enabled */
-	int reverse;			/**< This path as a matching reverse path */
+	int enabled;			/**< Is this path enabled. */
+	int reverse;			/**< This path as a matching reverse path. */
 
-	pthread_t tid;			/**< The thread id for this path */
+	pthread_t tid;			/**< The thread id for this path. */
 	
 	char *_name;			/**< Singleton: A string which is used to print this path to screen. */
 	
 	struct stats *stats;		/**< Statistic counters. This is a pointer to the statistic hooks private data. */
 	
 	struct super_node *super_node;	/**< The super node this path belongs to. */
-	config_setting_t *cfg;		/**< A pointer to the libconfig object which instantiated this path */
+	config_setting_t *cfg;		/**< A pointer to the libconfig object which instantiated this path. */
 };
 
 /** Initialize internal data structures. */
diff --git a/include/villas/plugin.h b/include/villas/plugin.h
index 67a2fb833..f719e7f48 100644
--- a/include/villas/plugin.h
+++ b/include/villas/plugin.h
@@ -62,7 +62,7 @@ struct plugin {
 #define plugin_name(vt) plugin(vt)->name
 #define plugin_description(vt) plugin(vt)->description
 
-int plugin_init(struct plugin *p, char *name, char *path);
+int plugin_init(struct plugin *p);
 
 int plugin_destroy(struct plugin *p);
 
diff --git a/lib/node.c b/lib/node.c
index 407e39456..df37b6e9b 100644
--- a/lib/node.c
+++ b/lib/node.c
@@ -81,10 +81,11 @@ int node_start(struct node *n)
 	info("Starting node %s", node_name_long(n));
 	{ INDENT
 		ret = n->_vt->start ? n->_vt->start(n) : -1;
+		if (ret)
+			return ret;
 	}
-	
-	if (ret == 0)
-		n->state = STATE_STARTED;
+
+	n->state = STATE_STARTED;
 	
 	n->sequence = 0;
 	
diff --git a/lib/nodes/socket.c b/lib/nodes/socket.c
index 76460f362..1b0bcbd4a 100644
--- a/lib/nodes/socket.c
+++ b/lib/nodes/socket.c
@@ -46,9 +46,6 @@ int socket_init(int argc, char *argv[], config_setting_t *cfg)
 
 	/* Gather list of used network interfaces */
 	list_foreach(struct node *n, &p.node.instances) {
-		if (n->state != STATE_INITIALIZED)
-			continue;
-
 		struct socket *s = n->_vd;
 		struct rtnl_link *link;
 
diff --git a/lib/path.c b/lib/path.c
index f9cb2b317..58af4a5b5 100644
--- a/lib/path.c
+++ b/lib/path.c
@@ -221,12 +221,12 @@ int path_parse(struct path *p, config_setting_t *cfg, struct list *nodes)
 		if (n->_vt->write == NULL)
 			cerror(cfg_out, "Output node '%s' is not supported as a destination.", node_name(n));
 		
-		struct path_destination *pd = alloc(sizeof(struct path_destination));
+		struct path_destination pd;
 		
-		pd->node = n;
-		pd->queuelen = queuelen;
+		pd.node = n;
+		pd.queuelen = queuelen;
 		
-		list_push(&p->destinations, pd);
+		list_push(&p->destinations, memdup(&pd, sizeof(pd)));
 	}
 
 	list_destroy(&destinations, NULL, false);
@@ -236,7 +236,9 @@ int path_parse(struct path *p, config_setting_t *cfg, struct list *nodes)
 
 int path_check(struct path *p)
 {
-	list_foreach (struct node *n, &p->destinations) {
+	assert(p->state != STATE_DESTROYED);
+	
+	list_foreach(struct node *n, &p->destinations) {
 		if (!n->_vt->write)
 			error("Destiation node '%s' is not supported as a sink for path '%s'", node_name(n), path_name(p));
 	}
@@ -296,13 +298,13 @@ int path_start(struct path *p)
 	
 	assert(p->state == STATE_CHECKED);
 
-	info("Starting path: %s (#hooks=%zu)",
-		path_name(p), list_length(&p->hooks));
+	info("Starting path: %s (#hooks=%zu)", path_name(p), list_length(&p->hooks));
 
 	ret = hook_run(p, NULL, 0, HOOK_PATH_START);
 	if (ret)
 		return ret;
-	
+
+	/* Start one thread per path for sending to destinations */
 	ret = pthread_create(&p->tid, NULL, &path_run,  p);
 	if (ret)
 		return ret;
diff --git a/lib/plugin.c b/lib/plugin.c
index c5c86e251..e0b462ba8 100644
--- a/lib/plugin.c
+++ b/lib/plugin.c
@@ -11,16 +11,26 @@
 /** Global list of all known plugins */
 struct list plugins = LIST_INIT();
 
-int plugin_init(struct plugin *p, char *name, char *path)
+int plugin_init(struct plugin *p)
 {
-	p->name = strdup(name);
-	p->path = strdup(path);
+	assert(p->state == STATE_DESTROYED);
 
 	p->state = STATE_INITIALIZED;
 	
 	return 0;
 }
 
+int plugin_parse(struct plugin *p, config_setting_t *cfg)
+{
+	const char *path;
+
+	path = config_setting_get_string(cfg);
+	if (!path)
+		cerror(cfg, "Setting 'plugin' must be a string.");
+
+	return 0;
+}
+
 int plugin_load(struct plugin *p)
 {
 	p->handle = dlopen(p->path, RTLD_NOW);
@@ -57,17 +67,6 @@ int plugin_destroy(struct plugin *p)
 	return 0;
 }
 
-int plugin_parse(struct plugin *p, config_setting_t *cfg)
-{
-	const char *path;
-
-	path = config_setting_get_string(cfg);
-	if (!path)
-		cerror(cfg, "Setting 'plugin' must be a string.");
-
-	return 0;
-}
-
 struct plugin * plugin_lookup(enum plugin_type type, const char *name)
 {
 	list_foreach(struct plugin *l, &plugins) {
diff --git a/lib/super_node.c b/lib/super_node.c
index 1203e1489..ba1aabe64 100644
--- a/lib/super_node.c
+++ b/lib/super_node.c
@@ -182,7 +182,11 @@ int super_node_parse(struct super_node *sn, config_setting_t *cfg)
 		for (int i = 0; i < config_setting_length(cfg_plugins); i++) {
 			struct config_setting_t *cfg_plugin = config_setting_get_elem(cfg_plugins, i);
 		
-			struct plugin plugin;
+			struct plugin plugin = { .state = STATE_DESTROYED };
+			
+			ret = plugin_init(&plugin);
+			if (ret)
+				cerror(cfg_plugin, "Failed to initialize plugin");
 		
 			ret = plugin_parse(&plugin, cfg_plugin);
 			if (ret)
@@ -207,23 +211,24 @@ int super_node_parse(struct super_node *sn, config_setting_t *cfg)
 			/* Required settings */
 			if (!config_setting_lookup_string(cfg_node, "type", &type))
 				cerror(cfg_node, "Missing node type");
-		
-		
+
 			p = plugin_lookup(PLUGIN_TYPE_NODE, type);
 			if (!p)
 				cerror(cfg_node, "Invalid node type: %s", type);
-		
-			struct node n = { .state = STATE_DESTROYED };
+
+			struct node *n = alloc(sizeof(struct node));
 			
-			ret = node_init(&n, &p->node);
+			n->state = STATE_DESTROYED;
+			
+			ret = node_init(n, &p->node);
 			if (ret)
 				cerror(cfg_node, "Failed to initialize node");
 
-			ret = node_parse(&n, cfg_node);
+			ret = node_parse(n, cfg_node);
 			if (ret)
 				cerror(cfg_node, "Failed to parse node");
 		
-			list_push(&sn->nodes, memdup(&n, sizeof(n)));
+			list_push(&sn->nodes, n);
 		}
 	}
 
diff --git a/lib/web.c b/lib/web.c
index 3c1ea68d1..484bd736d 100644
--- a/lib/web.c
+++ b/lib/web.c
@@ -124,8 +124,6 @@ static void logger(int level, const char *msg) {
 
 int web_init(struct web *w, struct api *a)
 {
-	info("Initialize web sub-system");
-	
 	lws_set_log_level((1 << LLL_COUNT) - 1, logger);
 
 	w->api = a;