diff --git a/test/build/all b/test/build/all
index 1a89b77..bacb1d1 100644
--- a/test/build/all
+++ b/test/build/all
@@ -41,22 +41,21 @@ check	[ -f passt ]
 check	[ -h pasta ]
 check	[ -f qrap ]
 
-tempdir	TEMP
-
 test	Install
-host	prefix=__TEMP__ make install
-check	[ -f __TEMP__/bin/passt ]
-check	[ -h __TEMP__/bin/pasta ]
-check	[ -f __TEMP__/bin/qrap ]
-check	man -M __TEMP__/share/man -W passt
-check	man -M __TEMP__/share/man -W pasta
-check	man -M __TEMP__/share/man -W qrap
+host	mkdir __STATEDIR__/prefix
+host	prefix=__STATEDIR__/prefix make install
+check	[ -f __STATEDIR__/prefix/bin/passt ]
+check	[ -h __STATEDIR__/prefix/bin/pasta ]
+check	[ -f __STATEDIR__/prefix/bin/qrap ]
+check	man -M __STATEDIR__/prefix/share/man -W passt
+check	man -M __STATEDIR__/prefix/share/man -W pasta
+check	man -M __STATEDIR__/prefix/share/man -W qrap
 
 test	Uninstall
-host	prefix=__TEMP__ make uninstall
-check	! [ -f __TEMP__/bin/passt ]
-check	! [ -h __TEMP__/bin/pasta ]
-check	! [ -f __TEMP__/bin/qrap ]
-check	! man -M __TEMP__/share/man -W passt 2>/dev/null
-check	! man -M __TEMP__/share/man -W pasta 2>/dev/null
-check	! man -M __TEMP__/share/man -W qrap 2>/dev/null
+host	prefix=__STATEDIR__/prefix make uninstall
+check	! [ -f __STATEDIR__/prefix/bin/passt ]
+check	! [ -h __STATEDIR__/prefix/bin/pasta ]
+check	! [ -f __STATEDIR__/prefix/bin/qrap ]
+check	! man -M __STATEDIR__/prefix/share/man -W passt 2>/dev/null
+check	! man -M __STATEDIR__/prefix/share/man -W pasta 2>/dev/null
+check	! man -M __STATEDIR__/prefix/share/man -W qrap 2>/dev/null
diff --git a/test/demo/passt b/test/demo/passt
index 673afd9..dd6a119 100644
--- a/test/demo/passt
+++ b/test/demo/passt
@@ -20,8 +20,7 @@ sleep	3
 
 say	Let's fetch the source
 sleep	1
-tempdir	TEMPDIR
-host	cd __TEMPDIR__
+host	cd __STATEDIR__
 host	git clone git://passt.top/passt
 sleep	1
 
@@ -52,10 +51,10 @@ host	q
 nl
 nl
 say	Let's create a small initramfs image for the guest.
-guest	cd __TEMPDIR__
+guest	cd __STATEDIR__
 guest	git clone git://mbuto.sh/mbuto
 guest	cd mbuto
-guest	./mbuto -f passt.img -p __TEMPDIR__/passt/test/passt.mbuto -c lz4
+guest	./mbuto -f passt.img -p __STATEDIR__/passt/test/passt.mbuto -c lz4
 sleep	2
 
 nl
@@ -69,7 +68,7 @@ nl
 say	  'pasta' demo above.
 sleep	3
 
-passt	cd __TEMPDIR__/passt
+passt	cd __STATEDIR__/passt
 passtb	./pasta -P /tmp/pasta.pid
 sleep	3
 passt	/sbin/dhclient -4 --no-pid
diff --git a/test/demo/pasta b/test/demo/pasta
index 393149e..22479f8 100644
--- a/test/demo/pasta
+++ b/test/demo/pasta
@@ -20,8 +20,7 @@ sleep	3
 
 say	Let's fetch the source
 sleep	1
-tempdir	TEMPDIR
-host	cd __TEMPDIR__
+host	cd __STATEDIR__
 host	git clone git://passt.top/passt
 sleep	1
 
@@ -47,7 +46,7 @@ sleep	10
 nl
 say	  without PID, it will create a namespace.
 sleep	3
-passt	cd __TEMPDIR__/passt
+passt	cd __STATEDIR__/passt
 passtb	./pasta -P /tmp/pasta.pid
 sleep	3
 
@@ -140,13 +139,12 @@ say	 can also take packet captures.
 sleep	3
 passt	exit
 sleep	2
-temp	TEMP
-passtb	./pasta -p __TEMP__.pcap
+passtb	./pasta -p __STATEDIR__/demo_pasta.pcap
 sleep	2
 passt	
 passt	/sbin/dhclient -4 --no-pid
 sleep	2
-hostb	tshark -r __TEMP__.pcap
+hostb	tshark -r __STATEDIR__/demo_pasta.pcap
 sleep	5
 
 nl
@@ -257,7 +255,7 @@ sleep	2
 killp	PASST
 killp	HOST
 sleep	2
-ns	cd __TEMPDIR__/passt
+ns	cd __STATEDIR__/passt
 nsb	perf report -g --max-stack 3
 sleep	10
 
diff --git a/test/demo/podman b/test/demo/podman
index f3411d8..a83a04f 100644
--- a/test/demo/podman
+++ b/test/demo/podman
@@ -24,14 +24,13 @@ sleep	3
 
 say	Let's fetch Podman
 sleep	1
-tempdir	TEMPDIR
-host	git -C __TEMPDIR__ clone https://github.com/containers/podman.git
+host	git -C __STATEDIR__ clone https://github.com/containers/podman.git
 sleep	1
 
 say	, patch it
 sleep	1
-host	cp ../contrib/podman/0001-libpod-Add-pasta-networking-mode.patch __TEMPDIR__/podman
-host	cd __TEMPDIR__/podman
+host	cp ../contrib/podman/0001-libpod-Add-pasta-networking-mode.patch __STATEDIR__/podman
+host	cd __STATEDIR__/podman
 host	git am -3 0001-libpod-Add-pasta-networking-mode.patch
 sleep	1
 
@@ -54,7 +53,7 @@ nl
 say	Let's start a container with it
 sleep	1
 
-ns1	cd __TEMPDIR__/podman
+ns1	cd __STATEDIR__/podman
 ns1b	./bin/podman run --rm -ti alpine sh
 sleep	2
 
@@ -64,7 +63,7 @@ say	and one with
 em	pasta
 say	 instead.
 
-ns2	cd __TEMPDIR__/podman
+ns2	cd __STATEDIR__/podman
 ns2b	./bin/podman run --net=pasta --rm -ti alpine sh
 sleep	2
 
diff --git a/test/distro/debian b/test/distro/debian
index 83fb32d..4a19f95 100644
--- a/test/distro/debian
+++ b/test/distro/debian
@@ -11,7 +11,7 @@
 # Copyright (c) 2021 Red Hat GmbH
 # Author: Stefano Brivio <sbrivio@redhat.com>
 
-temp	PIDFILE
+set	PIDFILE __STATEDIR__/passt.pid
 htools	cat kill qemu-system-x86_64 qemu-system-aarch64 qemu-system-ppc64
 
 # Quick pasta test: send message from init to ns, and from ns to init
diff --git a/test/distro/fedora b/test/distro/fedora
index daad6a4..a8d3b51 100644
--- a/test/distro/fedora
+++ b/test/distro/fedora
@@ -11,7 +11,7 @@
 # Copyright (c) 2021 Red Hat GmbH
 # Author: Stefano Brivio <sbrivio@redhat.com>
 
-temp	PIDFILE
+set	PIDFILE __STATEDIR__/passt.pid
 htools	cat kill qemu-system-x86_64
 
 # Quick pasta test: send message from init to ns, and from ns to init
diff --git a/test/distro/opensuse b/test/distro/opensuse
index d48deb7..314870f 100644
--- a/test/distro/opensuse
+++ b/test/distro/opensuse
@@ -11,7 +11,7 @@
 # Copyright (c) 2021 Red Hat GmbH
 # Author: Stefano Brivio <sbrivio@redhat.com>
 
-temp	PIDFILE
+set	PIDFILE __STATEDIR__/passt.pid
 htools	qemu-img virt-edit guestfish head sed cat kill qemu-system-x86_64 qemu-system-aarch64 xzcat tr
 
 # Quick pasta test: send message from init to ns, and from ns to init
@@ -44,7 +44,7 @@ hout	GUEST_FILES ls -1 *.c *.h *.sh passt.1 qrap.1 Makefile README.md | tr '\n'
 
 test	OpenSUSE Leap 15.1
 
-temp	IMG
+set	IMG __STATEDIR__/opensuse-15.1-x86_64.img
 host	qemu-img create -f qcow2 -F qcow2 -b __BASEPATH__/openSUSE-Leap-15.1-JeOS.x86_64-kvm-and-xen.qcow2 __IMG__
 host	guestfish --rw -a __IMG__ -i rm '/usr/lib/systemd/system/systemd-journald.service'
 host	guestfish --rw -a __IMG__ -i rm /etc/systemd/system/default.target.wants/jeos-firstboot.service
@@ -73,6 +73,7 @@ hout	PID cat __PIDFILE__
 
 test	OpenSUSE Leap 15.2
 
+set	IMG __STATEDIR__/opensuse-15.2-x86_64.img
 host	qemu-img create -f qcow2 -F qcow2 -b __BASEPATH__/openSUSE-Leap-15.2-JeOS.x86_64-kvm-and-xen.qcow2 __IMG__
 host	guestfish --rw -a __IMG__ -i rm '/usr/lib/systemd/system/systemd-journald.service'
 host	guestfish --rw -a __IMG__ -i rm /etc/systemd/system/default.target.wants/jeos-firstboot.service
@@ -98,6 +99,7 @@ sleep	1
 
 test	OpenSUSE Leap 15.3
 
+set	IMG __STATEDIR__/opensuse-15.3-x86_64.img
 host	qemu-img create -f qcow2 -F qcow2 -b __BASEPATH__/openSUSE-Leap-15.3-JeOS.x86_64-kvm-and-xen.qcow2 __IMG__
 host	guestfish --rw -a __IMG__ -i rm '/usr/lib/systemd/system/systemd-journald.service'
 host	guestfish --rw -a __IMG__ -i rm /etc/systemd/system/default.target.wants/jeos-firstboot.service
@@ -125,7 +127,7 @@ sleep	1
 
 test	OpenSUSE Tumbleweed aarch64
 
-temp	IMG
+set	IMG __STATEDIR__/opensuse-tumbleweed-aarch64.img
 host	xzcat __BASEPATH__/openSUSE-Tumbleweed-ARM-JeOS-efi.aarch64.raw.xz > __IMG__
 host	virt-edit -a __IMG__ -m /dev/sda3 /usr/lib/systemd/system/serial-getty@.service -e 's/ExecStart=.*/ExecStart=\/sbin\/agetty --timeout 5000 --autologin root -i -8 --keep-baud 115200,38400,9600 %I $TERM/g'
 host	guestfish --rw -a __IMG__ -i copy-in __GUEST_FILES__ /root/
@@ -150,9 +152,9 @@ sleep	1
 
 test	OpenSUSE Tumbleweed armv7l
 
-temp	IMG
-temp	ZIMAGE
-temp	INITRD
+set	IMG __STATEDIR__/opensuse-tumbleweed-armv7l.img
+set	ZIMAGE __STATEDIR__/opensuse-tumbleweed-armv7l.zimage
+set	INITRD __STATEDIR__/opensuse-tumbleweed-armv7l.initrd
 host	xzcat __BASEPATH__/openSUSE-Tumbleweed-ARM-JeOS-efi.armv7l.raw.xz > __IMG__
 host	guestfish -a __IMG__ -i download /boot/zImage __ZIMAGE__
 host	guestfish -a __IMG__ -i download /boot/initrd __INITRD__
@@ -178,7 +180,7 @@ sleep	1
 
 test	OpenSUSE Tumbleweed
 
-temp	IMG
+set	IMG __STATEDIR__/opensuse-tumbleweed-x86_64.img
 host	qemu-img create -f qcow2 -F qcow2 -b __BASEPATH__/openSUSE-Tumbleweed-JeOS.x86_64-kvm-and-xen.qcow2 __IMG__
 host	guestfish --rw -a __IMG__ -i rm /usr/lib/systemd/system/systemd-journald.service
 host	guestfish --rw -a __IMG__ -i rm /etc/systemd/system/default.target.wants/jeos-firstboot.service
diff --git a/test/distro/ubuntu b/test/distro/ubuntu
index 5e67a46..aa42c99 100644
--- a/test/distro/ubuntu
+++ b/test/distro/ubuntu
@@ -11,7 +11,7 @@
 # Copyright (c) 2021 Red Hat GmbH
 # Author: Stefano Brivio <sbrivio@redhat.com>
 
-temp	PIDFILE
+set	PIDFILE __STATEDIR__/passt.pid
 htools	qemu-img virt-edit guestfish cat kill qemu-system-x86_64 qemu-system-ppc64 qemu-system-s390x
 
 # Quick pasta test: send message from init to ns, and from ns to init
@@ -68,7 +68,7 @@ hout	GUEST_FILES ls -1 *.c *.h *.sh passt.1 qrap.1 Makefile README.md | tr '\n'
 
 test	Ubuntu 14.04.5 LTS (Trusty Tahr), amd64
 
-temp	IMG
+set	IMG __STATEDIR__/ubuntu-14.04-amd64.img
 host	qemu-img create -f qcow2 -F qcow2 -b __BASEPATH__/trusty-server-cloudimg-amd64-disk1.img __IMG__
 host	virt-edit -a __IMG__ /etc/init/ttyS0.conf -e 's/\/getty/\/getty --autologin root/'
 host	guestfish --rw -a __IMG__ -i rm /etc/init/cloud-config.conf
@@ -101,7 +101,7 @@ hout	PID cat __PIDFILE__
 
 test	Ubuntu 14.04.5 LTS (Trusty Tahr), i386
 
-temp	IMG
+set	IMG __STATEDIR__/ubuntu-14.04-i386.img
 host	qemu-img create -f qcow2 -F qcow2 -b __BASEPATH__/trusty-server-cloudimg-i386-disk1.img __IMG__
 host	virt-edit -a __IMG__ /etc/init/ttyS0.conf -e 's/\/getty/\/getty --autologin root/'
 host	guestfish --rw -a __IMG__ -i rm /etc/init/cloud-config.conf
@@ -131,7 +131,7 @@ sleep	1
 
 test	Ubuntu 14.04.5 LTS (Trusty Tahr), ppc64le
 
-temp	IMG
+set	IMG __STATEDIR__/ubuntu-14.04-ppc64le.img
 host	qemu-img create -f qcow2 -F qcow2 -b __BASEPATH__/trusty-server-cloudimg-ppc64el-disk1.img __IMG__
 host	virt-edit -a __IMG__ /etc/init/hvc0.conf -e 's/\/getty/\/getty --autologin root/'
 host	guestfish --rw -a __IMG__ -i rm /etc/init/cloud-config.conf
diff --git a/test/lib/test b/test/lib/test
index 3dbae0b..3ad178f 100755
--- a/test/lib/test
+++ b/test/lib/test
@@ -99,16 +99,6 @@ test_one_line() {
 		IFS= eval TEST_ONE_DEF_$TEST_ONE_in_def=
 		IFS="${__ifs}"
 		;;
-	"tempdir")
-		__tmpdir="$(mktemp -d)"
-		TEST_ONE_subs="$(list_add_pair "${TEST_ONE_subs}" "__${__arg}__" "${__tmpdir}")"
-		TEST_ONE_dirclean="$(list_add "${TEST_ONE_dirclean}" "${__tmpdir}")"
-		;;
-	"temp")
-		__tmpfile="$(mktemp)"
-		TEST_ONE_subs="$(list_add_pair "${TEST_ONE_subs}" "__${__arg}__" "${__tmpfile}")"
-		TEST_ONE_dirclean="$(list_add "${TEST_ONE_dirclean}" "${__tmpfile}")"
-		;;
 	"test")
 		[ ${TEST_ONE_perf_nok} -eq 0 ] || TEST_ONE_nok=1
 		[ ${TEST_ONE_nok} -eq 1 ] && status_test_fail
diff --git a/test/passt/tcp b/test/passt/tcp
index d5c8164..7af9c54 100644
--- a/test/passt/tcp
+++ b/test/passt/tcp
@@ -15,7 +15,7 @@ gtools	socat ip jq md5sum cut
 htools	dd socat ip jq md5sum cut
 
 test	TCP/IPv4: host to guest: big transfer
-temp	TEMP_BIG
+set	TEMP_BIG __STATEDIR__/big
 guestb	socat -u TCP4-LISTEN:10001,reuseaddr OPEN:test_big.bin,create,trunc
 sleep	1
 host	dd if=/dev/urandom bs=1M count=10 > __TEMP_BIG__
@@ -34,7 +34,7 @@ hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
 check	[ "__GUEST_MD5_BIG__" = "__HOST_MD5_BIG__" ]
 
 test	TCP/IPv4: host to guest: small transfer
-temp	TEMP_SMALL
+set	TEMP_SMALL __STATEDIR__/small
 guestb	socat -u TCP4-LISTEN:10001,reuseaddr OPEN:test_small.bin,create,trunc
 sleep	1
 host	dd if=/dev/urandom bs=2k count=1 > __TEMP_SMALL__
diff --git a/test/passt/udp b/test/passt/udp
index 56d01b3..0253a86 100644
--- a/test/passt/udp
+++ b/test/passt/udp
@@ -15,9 +15,9 @@ gtools	socat tee grep cat ip jq md5sum cut
 htools	printf dd socat tee grep cat ip jq md5sum cut
 
 test	UDP/IPv4: host to guest
-temp	TEMP
-temp	SC_PID
-guestb	(socat -u UDP4-LISTEN:10001 STDOUT & echo $! > __SC_PID__) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
+set	TEMP __STATEDIR__/data
+set	SC_PID __STATEDIR__/socat.pid
+guestb	(socat -u UDP4-LISTEN:10001 STDOUT & echo $! > sc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat sc.pid))
 sleep	1
 host	dd if=/dev/urandom bs=1k count=5 > __TEMP__ && printf "\nEND_OF_TEST\n" >> __TEMP__
 host	socat -u OPEN:__TEMP__ UDP4:127.0.0.1:10001
diff --git a/test/passt_in_ns/tcp b/test/passt_in_ns/tcp
index 5ec95e8..a2cb667 100644
--- a/test/passt_in_ns/tcp
+++ b/test/passt_in_ns/tcp
@@ -16,7 +16,7 @@ htools	dd socat ip jq md5sum cut
 nstools	socat ip jq md5sum cut
 
 test	TCP/IPv4: host to guest: big transfer
-temp	TEMP_BIG
+set	TEMP_BIG __STATEDIR__/big.img
 guestb	socat -u TCP4-LISTEN:10001 OPEN:test_big.bin,create,trunc
 sleep	1
 host	dd if=/dev/urandom bs=1M count=10 of=__TEMP_BIG__
@@ -27,7 +27,7 @@ gout	GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
 check	[ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
 
 test	TCP/IPv4: host to ns: big transfer
-temp	TEMP_NS_BIG
+set	TEMP_NS_BIG __STATEDIR__/big_ns.img
 nsb	socat -u TCP4-LISTEN:10002 OPEN:__TEMP_NS_BIG__,create,trunc
 host	socat -u OPEN:__TEMP_BIG__ TCP4:127.0.0.1:10002
 nsw
@@ -82,7 +82,7 @@ gout	GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
 check	[ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
 
 test	TCP/IPv4: host to guest: small transfer
-temp	TEMP_SMALL
+set	TEMP_SMALL __STATEDIR__/small.img
 guestb	socat -u TCP4-LISTEN:10001 OPEN:test_small.bin,create,trunc
 sleep	1
 host	dd if=/dev/urandom bs=2k count=100 of=__TEMP_SMALL__
@@ -93,7 +93,7 @@ gout	GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
 check	[ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
 
 test	TCP/IPv4: host to ns: small transfer
-temp	TEMP_NS_SMALL
+set	TEMP_NS_SMALL __STATEDIR__/small_ns.img
 nsb	socat -u TCP4-LISTEN:10002 OPEN:__TEMP_NS_SMALL__,create,trunc
 host	socat -u OPEN:__TEMP_SMALL__ TCP4:127.0.0.1:10002
 nsw
diff --git a/test/passt_in_ns/udp b/test/passt_in_ns/udp
index c22a68f..3b1e521 100644
--- a/test/passt_in_ns/udp
+++ b/test/passt_in_ns/udp
@@ -16,8 +16,8 @@ nstools	socat tee grep cat ip jq md5sum cut
 htools	printf dd socat tee grep cat ip jq md5sum cut
 
 test	UDP/IPv4: host to guest
-temp	TEMP
-temp	SC_PID
+set	TEMP __STATEDIR__/data
+set	SC_PID __STATEDIR__/socat.pid
 guestb	(socat -u UDP4-LISTEN:10001 STDOUT & echo $! > sc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat sc.pid))
 sleep	1
 host	dd if=/dev/urandom bs=1k count=5 > __TEMP__ && printf "\nEND_OF_TEST\n" >> __TEMP__
@@ -28,7 +28,7 @@ gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
 check	[ "__GUEST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv4: host to ns
-temp	TEMP_NS
+set	TEMP_NS __STATEDIR__/data_ns
 nsb	(socat -u UDP4-LISTEN:10002 STDOUT & echo $! > __SC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 host	socat -u OPEN:__TEMP__ UDP4:127.0.0.1:10002
 nsw
diff --git a/test/pasta/tcp b/test/pasta/tcp
index 5497f11..d37e21c 100644
--- a/test/pasta/tcp
+++ b/test/pasta/tcp
@@ -15,8 +15,8 @@ htools	dd socat ip jq md5sum cut
 nstools	socat ip jq md5sum cut
 
 test	TCP/IPv4: host to ns: big transfer
-temp	TEMP_BIG
-temp	TEMP_NS_BIG
+set	TEMP_BIG __STATEDIR__/big
+set	TEMP_NS_BIG __STATEDIR__/big_ns
 nsb	socat -u TCP4-LISTEN:10002,bind=127.0.0.1 OPEN:__TEMP_NS_BIG__,create,trunc
 host	dd if=/dev/urandom bs=1M count=10 of=__TEMP_BIG__
 host	socat -u OPEN:__TEMP_BIG__ TCP4:127.0.0.1:10002
@@ -41,8 +41,8 @@ hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
 check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
 
 test	TCP/IPv4: host to ns: small transfer
-temp	TEMP_SMALL
-temp	TEMP_NS_SMALL
+set	TEMP_SMALL __STATEDIR__/small
+set	TEMP_NS_SMALL __STATEDIR__/small_ns
 nsb	socat -u TCP4-LISTEN:10002,bind=127.0.0.1 OPEN:__TEMP_NS_SMALL__,create,trunc
 host	dd if=/dev/urandom bs=2k count=1 of=__TEMP_SMALL__
 host	socat OPEN:__TEMP_SMALL__ TCP4:127.0.0.1:10002
diff --git a/test/pasta/udp b/test/pasta/udp
index 0e58152..74148e3 100644
--- a/test/pasta/udp
+++ b/test/pasta/udp
@@ -15,10 +15,10 @@ nstools	socat tee grep cat ip jq md5sum cut
 htools	printf dd socat tee grep cat ip jq md5sum cut
 
 test	UDP/IPv4: host to ns
-temp	TEMP
-temp	TEMP_NS
-temp	NC_PID
-nsb	(socat -u UDP4-LISTEN:10002,bind=127.0.0.1 STDOUT & echo $! > __NC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
+set	TEMP __STATEDIR__/data
+set	TEMP_NS __STATEDIR__/data_ns
+set	SC_PID __STATEDIR__/socat.pid
+nsb	(socat -u UDP4-LISTEN:10002,bind=127.0.0.1 STDOUT & echo $! > __SC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 host	dd if=/dev/urandom bs=1k count=5 > __TEMP__ && printf "\nEND_OF_TEST\n" >> __TEMP__
 
 host	socat OPEN:__TEMP__ UDP4:127.0.0.1:10002
@@ -28,7 +28,7 @@ nsout	NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1
 check	[ "__NS_MD5__" = "__MD5__" ]
 
 test	UDP/IPv4: ns to host (recvmmsg/sendmmsg)
-hostb	(socat -u UDP4-LISTEN:10003,bind=127.0.0.1 STDOUT & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
+hostb	(socat -u UDP4-LISTEN:10003,bind=127.0.0.1 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 sleep	1
 ns	socat OPEN:__TEMP_NS__ UDP4:127.0.0.1:10003
 hostw
@@ -36,7 +36,7 @@ hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
 check	[ "__HOST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv4: ns to host (via tap)
-hostb	(socat -u UDP4-LISTEN:10003 STDOUT & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
+hostb	(socat -u UDP4-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 nsout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
 ns	socat -u OPEN:__TEMP_NS__ UDP4:__GW__:10003
 hostw
@@ -44,7 +44,7 @@ hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
 check	[ "__HOST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv6: host to ns
-nsb	(socat -u UDP6-LISTEN:10002,bind=[::1] STDOUT & echo $! > __NC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
+nsb	(socat -u UDP6-LISTEN:10002,bind=[::1] STDOUT & echo $! > __SC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 host	socat -u OPEN:__TEMP__ UDP6:[::1]:10002
 nsw
 hout	MD5 md5sum __TEMP__ | cut -d' ' -f1
@@ -52,7 +52,7 @@ nsout	NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1
 check	[ "__NS_MD5__" = "__MD5__" ]
 
 test	UDP/IPv6: ns to host (recvmmsg/sendmmsg)
-hostb	(socat -u UDP6-LISTEN:10003,bind=[::1] STDOUT & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
+hostb	(socat -u UDP6-LISTEN:10003,bind=[::1] STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 sleep	1
 ns	socat -u OPEN:__TEMP_NS__ UDP6:[::1]:10003
 hostw
@@ -60,7 +60,7 @@ hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
 check	[ "__HOST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv6: ns to host (via tap)
-hostb	(socat -u UDP6-LISTEN:10003 STDOUT & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
+hostb	(socat -u UDP6-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 nsout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
 nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
 ns	socat -u OPEN:__TEMP_NS__ UDP6:[__GW6__%__IFNAME__]:10003