diff --git a/test/udp/passt b/test/udp/passt
index ee575e0..7c58648 100644
--- a/test/udp/passt
+++ b/test/udp/passt
@@ -26,7 +26,6 @@ gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
 check	[ "__GUEST_MD5__" = "__HOST_MD5__" ]
 
 test	UDP/IPv4: guest to host
-host	:> __TEMP__
 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__))
 gout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
 guest	socat -u OPEN:test.bin UDP4:__GW__:10003
@@ -43,7 +42,6 @@ gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
 check	[ "__GUEST_MD5__" = "__HOST_MD5__" ]
 
 test	UDP/IPv6: guest to host
-host	:> __TEMP__
 hostb	(socat -u UDP6-LISTEN:10003,bind=[::1] STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 gout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
 gout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
diff --git a/test/udp/passt_in_ns b/test/udp/passt_in_ns
index 3536298..8f8090b 100644
--- a/test/udp/passt_in_ns
+++ b/test/udp/passt_in_ns
@@ -28,7 +28,6 @@ check	[ "__GUEST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv4: host to ns
 temp	TEMP_NS
-ns	:> __TEMP_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
@@ -36,7 +35,6 @@ nsout	NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1
 check	[ "__NS_MD5__" = "__MD5__" ]
 
 test	UDP/IPv4: guest to host
-host	:> __TEMP__
 hostb	(socat -u UDP4-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 gout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
 guest	socat -u OPEN:test.bin UDP4:__GW__:10003
@@ -45,7 +43,6 @@ hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
 check	[ "__HOST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv4: guest to ns
-ns	:> __TEMP_NS__
 nsb	(socat -u UDP4-LISTEN:10002 STDOUT & echo $! > __SC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 guest	socat -u OPEN:test.bin UDP4:__GW__:10002
 hostw
@@ -54,7 +51,6 @@ check	[ "__HOST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv4: ns to host (recvmmsg/sendmmsg)
 sleep	1
-host	:> __TEMP__
 hostb	(socat -u UDP4-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 ns	socat -u OPEN:__TEMP_NS__ UDP4:127.0.0.1:10003
 hostw
@@ -62,7 +58,6 @@ hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
 check	[ "__HOST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv4: ns to host (via tap)
-host	:> __TEMP__
 hostb	(socat -u UDP4-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 ns	socat -u OPEN:__TEMP_NS__ UDP4:__GW__:10003
 hostw
@@ -93,7 +88,6 @@ gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
 check	[ "__GUEST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv6: host to ns
-ns	:> __TEMP_NS__
 nsb	(socat -u UDP6-LISTEN:10002 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
@@ -101,7 +95,6 @@ nsout	NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1
 check	[ "__NS_MD5__" = "__MD5__" ]
 
 test	UDP/IPv6: guest to host
-host	:> __TEMP__
 hostb	(socat -u UDP6-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 gout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
 gout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
@@ -111,7 +104,6 @@ hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
 check	[ "__HOST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv6: guest to ns
-ns	:> __TEMP_NS__
 nsb	(socat -u UDP6-LISTEN:10002 STDOUT & echo $! > __SC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 guest	socat -u OPEN:test.bin UDP6:[__GW6__%__IFNAME__]:10002
 hostw
@@ -119,7 +111,6 @@ hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
 check	[ "__HOST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv6: ns to host (recvmmsg/sendmmsg)
-host	:> __TEMP__
 hostb	(socat -u UDP6-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 ns	socat -u OPEN:__TEMP_NS__ UDP6:[::1]:10003
 hostw
@@ -127,7 +118,6 @@ hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
 check	[ "__HOST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv6: ns to host (via tap)
-host	:> __TEMP__
 hostb	(socat -u UDP6-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
 nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
 ns	socat -u OPEN:__TEMP_NS__ UDP6:[__GW6__%__IFNAME__]:10003
diff --git a/test/udp/pasta b/test/udp/pasta
index 43e0513..25063ea 100644
--- a/test/udp/pasta
+++ b/test/udp/pasta
@@ -18,7 +18,6 @@ test	UDP/IPv4: host to ns
 temp	TEMP
 temp	TEMP_NS
 temp	NC_PID
-ns	:> __TEMP_NS__
 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__))
 host	dd if=/dev/urandom bs=1k count=5 > __TEMP__ && printf "\nEND_OF_TEST\n" >> __TEMP__
 
@@ -29,7 +28,6 @@ nsout	NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1
 check	[ "__NS_MD5__" = "__MD5__" ]
 
 test	UDP/IPv4: ns to host (recvmmsg/sendmmsg)
-host	:> __TEMP__
 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__))
 sleep	1
 ns	socat OPEN:__TEMP_NS__ UDP4:127.0.0.1:10003
@@ -38,7 +36,6 @@ hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
 check	[ "__HOST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv4: ns to host (via tap)
-host	:> __TEMP__
 hostb	(socat -u UDP4-LISTEN:10003 STDOUT & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
 nsout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
 ns	socat -u OPEN:__TEMP_NS__ UDP4:__GW__:10003
@@ -47,7 +44,6 @@ hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
 check	[ "__HOST_MD5__" = "__MD5__" ]
 
 test	UDP/IPv6: host to ns
-ns	:> __TEMP_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__))
 host	socat -u OPEN:__TEMP__ UDP6:[::1]:10002
 nsw
@@ -56,7 +52,6 @@ nsout	NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1
 check	[ "__NS_MD5__" = "__MD5__" ]
 
 test	UDP/IPv6: ns to host (recvmmsg/sendmmsg)
-host	:> __TEMP__
 hostb	(socat -u UDP6-LISTEN:10003,bind=[::1] STDOUT & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
 sleep	1
 ns	socat -u OPEN:__TEMP_NS__ UDP6:[::1]:10003
@@ -66,7 +61,6 @@ check	[ "__HOST_MD5__" = "__MD5__" ]
 nsw
 
 test	UDP/IPv6: ns to host (via tap)
-host	:> __TEMP__
 hostb	(socat -u UDP6-LISTEN:10003 STDOUT & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_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'