diff --git a/sys/rump/net/lib/libagr/AGR.ioconf b/sys/rump/net/lib/libagr/AGR.ioconf
new file mode 100644
index 000000000000..98ae3fc09cfe
--- /dev/null
+++ b/sys/rump/net/lib/libagr/AGR.ioconf
@@ -0,0 +1,7 @@
+#	$NetBSD: AGR.ioconf,v 1.1 2015/08/20 12:20:09 christos Exp $
+
+ioconf		agr
+
+include		"conf/files"
+
+pseudo-device   agr
diff --git a/sys/rump/net/lib/libagr/Makefile b/sys/rump/net/lib/libagr/Makefile
index eda9b14f6547..b40e2f48b31b 100644
--- a/sys/rump/net/lib/libagr/Makefile
+++ b/sys/rump/net/lib/libagr/Makefile
@@ -1,10 +1,10 @@
-#	$NetBSD: Makefile,v 1.2 2014/03/13 02:07:03 pooka Exp $
+#	$NetBSD: Makefile,v 1.3 2015/08/20 12:20:09 christos Exp $
 #
 
 .PATH:	${.CURDIR}/../../../../net/agr
 
 LIB=	rumpnet_agr
-
+IOCONF=	AGR.ioconf
 SRCS=	if_agr.c if_agrsoftc.c if_agrsubr.c if_agrtimer.c if_agrmonitor.c \
 	if_agrether.c if_agrether_hash.c ieee8023ad_marker.c ieee8023ad_lacp.c \
 	ieee8023ad_lacp_select.c ieee8023ad_lacp_timer.c \
diff --git a/sys/rump/net/lib/libbridge/BRIDGE.ioconf b/sys/rump/net/lib/libbridge/BRIDGE.ioconf
new file mode 100644
index 000000000000..3cadd04ce538
--- /dev/null
+++ b/sys/rump/net/lib/libbridge/BRIDGE.ioconf
@@ -0,0 +1,7 @@
+#	$NetBSD: BRIDGE.ioconf,v 1.1 2015/08/20 12:20:09 christos Exp $
+
+ioconf		bridge
+
+include		"conf/files"
+
+pseudo-device   bridge
diff --git a/sys/rump/net/lib/libbridge/Makefile b/sys/rump/net/lib/libbridge/Makefile
index 3d3fe3d4902b..1c29bf95c024 100644
--- a/sys/rump/net/lib/libbridge/Makefile
+++ b/sys/rump/net/lib/libbridge/Makefile
@@ -1,10 +1,10 @@
-#	$NetBSD: Makefile,v 1.2 2014/03/13 02:08:24 pooka Exp $
+#	$NetBSD: Makefile,v 1.3 2015/08/20 12:20:09 christos Exp $
 #
 
 .PATH:	${.CURDIR}/../../../../net
 
 LIB=	rumpnet_bridge
-
+IOCONF=	BRIDGE.ioconf
 SRCS=	if_bridge.c bridgestp.c
 
 SRCS+=	bridge_component.c
diff --git a/sys/rump/net/lib/libnet/Makefile b/sys/rump/net/lib/libnet/Makefile
index 6419c400cfbd..0d10f7a009c2 100644
--- a/sys/rump/net/lib/libnet/Makefile
+++ b/sys/rump/net/lib/libnet/Makefile
@@ -1,18 +1,19 @@
-#	$NetBSD: Makefile,v 1.23 2015/04/23 14:49:26 pooka Exp $
+#	$NetBSD: Makefile,v 1.24 2015/08/20 12:20:09 christos Exp $
 #
 
-.include <bsd.init.mk>
 
 .PATH:	${.CURDIR}/../../../../net ${.CURDIR}/../../../../compat/common
 
 LIB=	rumpnet_net
-
+IOCONF=	NET.ioconf
 # iffy stuff
 SRCS=	if.c if_loop.c route.c rtsock.c raw_usrreq.c			\
 	raw_cb.c if_media.c link_proto.c net_stats.c if_ethersubr.c
 SRCS+=	if_43.c pfil.c
 SRCS+=	net_component.c
 
+.include <bsd.init.mk>
+
 .if !empty(RUMP_NBCOMPAT:M50)
 SRCS+=	rtsock_50.c uipc_syscalls_50.c
 .endif
diff --git a/sys/rump/net/lib/libnet/NET.ioconf b/sys/rump/net/lib/libnet/NET.ioconf
new file mode 100644
index 000000000000..accda13e3b6c
--- /dev/null
+++ b/sys/rump/net/lib/libnet/NET.ioconf
@@ -0,0 +1,7 @@
+#	$NetBSD: NET.ioconf,v 1.1 2015/08/20 12:20:09 christos Exp $
+
+ioconf		net
+
+include		"conf/files"
+
+pseudo-device   carp
diff --git a/sys/rump/net/lib/libnetmpls/Makefile b/sys/rump/net/lib/libnetmpls/Makefile
index 86b74d5aaebd..9377fa7780e4 100644
--- a/sys/rump/net/lib/libnetmpls/Makefile
+++ b/sys/rump/net/lib/libnetmpls/Makefile
@@ -1,10 +1,10 @@
-# $NetBSD: Makefile,v 1.2 2014/03/13 02:05:29 pooka Exp $
+# $NetBSD: Makefile,v 1.3 2015/08/20 12:20:09 christos Exp $
 #
 
 .PATH:	${.CURDIR}/../../../../net ${.CURDIR}/../../../../netmpls
 
 LIB=	rumpnet_netmpls
-
+IOCONF=	NETMPLS.ioconf
 SRCS=	mpls_ttl.c if_mpls.c
 SRCS+=	netmpls_component.c
 
diff --git a/sys/rump/net/lib/libnetmpls/NETMPLS.ioconf b/sys/rump/net/lib/libnetmpls/NETMPLS.ioconf
new file mode 100644
index 000000000000..3bb1525f2284
--- /dev/null
+++ b/sys/rump/net/lib/libnetmpls/NETMPLS.ioconf
@@ -0,0 +1,7 @@
+#	$NetBSD: NETMPLS.ioconf,v 1.1 2015/08/20 12:20:09 christos Exp $
+
+ioconf		netmpls
+
+include		"conf/files"
+
+pseudo-device   ifmpls
diff --git a/sys/rump/net/lib/libnetmpls/netmpls_component.c b/sys/rump/net/lib/libnetmpls/netmpls_component.c
index ba89e1d263c3..dafc6617c756 100644
--- a/sys/rump/net/lib/libnetmpls/netmpls_component.c
+++ b/sys/rump/net/lib/libnetmpls/netmpls_component.c
@@ -1,4 +1,4 @@
-/* $NetBSD: netmpls_component.c,v 1.2 2014/08/22 11:34:28 pooka Exp $ */
+/* $NetBSD: netmpls_component.c,v 1.3 2015/08/20 12:20:09 christos Exp $ */
 
 /*
  * Copyright (c) 2009 Antti Kantee.  All Rights Reserved.
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: netmpls_component.c,v 1.2 2014/08/22 11:34:28 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: netmpls_component.c,v 1.3 2015/08/20 12:20:09 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/domain.h>
@@ -46,7 +46,7 @@ __KERNEL_RCSID(0, "$NetBSD: netmpls_component.c,v 1.2 2014/08/22 11:34:28 pooka
 #include "rump_private.h"
 #include "rump_net_private.h"
 
-void ifmplsattach(int);
+#include "ioconf.h"
 
 RUMP_COMPONENT(RUMP_COMPONENT_NET)
 {
diff --git a/sys/rump/net/lib/libnpf/Makefile b/sys/rump/net/lib/libnpf/Makefile
index a654f47085e3..8d2c87f04f62 100644
--- a/sys/rump/net/lib/libnpf/Makefile
+++ b/sys/rump/net/lib/libnpf/Makefile
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.14 2014/07/19 18:24:16 rmind Exp $
+#	$NetBSD: Makefile,v 1.15 2015/08/20 12:20:09 christos Exp $
 #
 # Public Domain.
 #
@@ -8,7 +8,7 @@ NOLINT=		# defined
 .PATH:	${.CURDIR}/../../../../net/npf
 
 LIB=	rumpnet_npf
-
+IOCONF=	NPF.ioconf
 SRCS=	npf.c npf_alg.c npf_conf.c npf_ctl.c npf_handler.c
 SRCS+=	npf_bpf.c npf_if.c npf_inet.c npf_mbuf.c npf_nat.c
 SRCS+=	npf_ruleset.c npf_conn.c npf_conndb.c npf_rproc.c 
diff --git a/sys/rump/net/lib/libnpf/NPF.ioconf b/sys/rump/net/lib/libnpf/NPF.ioconf
new file mode 100644
index 000000000000..18fe533e43d5
--- /dev/null
+++ b/sys/rump/net/lib/libnpf/NPF.ioconf
@@ -0,0 +1,7 @@
+#	$NetBSD: NPF.ioconf,v 1.1 2015/08/20 12:20:09 christos Exp $
+
+ioconf		npf
+
+include		"conf/files"
+
+pseudo-device   npf
diff --git a/sys/rump/net/lib/libtap/Makefile b/sys/rump/net/lib/libtap/Makefile
index c4754774502e..d18a7e8458ad 100644
--- a/sys/rump/net/lib/libtap/Makefile
+++ b/sys/rump/net/lib/libtap/Makefile
@@ -1,10 +1,10 @@
-#	$NetBSD: Makefile,v 1.1 2015/05/29 12:32:23 pooka Exp $
+#	$NetBSD: Makefile,v 1.2 2015/08/20 12:20:09 christos Exp $
 #
 
 .PATH:	${.CURDIR}/../../../../net
 
 LIB=	rumpnet_tap
-
+IOCONF=	TAP.ioconf
 SRCS=	if_tap.c
 
 SRCS+=	tap_component.c
diff --git a/sys/rump/net/lib/libtap/TAP.ioconf b/sys/rump/net/lib/libtap/TAP.ioconf
new file mode 100644
index 000000000000..9e5a936b3fae
--- /dev/null
+++ b/sys/rump/net/lib/libtap/TAP.ioconf
@@ -0,0 +1,7 @@
+#	$NetBSD: TAP.ioconf,v 1.1 2015/08/20 12:20:09 christos Exp $
+
+ioconf		tap
+
+include		"conf/files"
+
+pseudo-device   tap
diff --git a/sys/rump/net/lib/libtap/tap_component.c b/sys/rump/net/lib/libtap/tap_component.c
index 6d9a1f56af3d..79bcd8856b07 100644
--- a/sys/rump/net/lib/libtap/tap_component.c
+++ b/sys/rump/net/lib/libtap/tap_component.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: tap_component.c,v 1.1 2015/05/29 12:32:23 pooka Exp $	*/
+/*	$NetBSD: tap_component.c,v 1.2 2015/08/20 12:20:09 christos Exp $	*/
 
 /*
  * Copyright (c) 2015 Wei Liu.  All Rights Reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tap_component.c,v 1.1 2015/05/29 12:32:23 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tap_component.c,v 1.2 2015/08/20 12:20:09 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -36,9 +36,9 @@ __KERNEL_RCSID(0, "$NetBSD: tap_component.c,v 1.1 2015/05/29 12:32:23 pooka Exp
 #include "rump_net_private.h"
 #include "rump_vfs_private.h"
 
-CFDRIVER_DECL(tap, DV_IFNET, NULL);
+#include "ioconf.h"
 
-void tapattach(int);
+CFDRIVER_DECL(tap, DV_IFNET, NULL);
 
 RUMP_COMPONENT(RUMP_COMPONENT_NET_IF)
 {