diff --git a/repos/os/run/ping.run b/repos/os/run/ping.run
index 84bd32d1b7..12abc1c111 100644
--- a/repos/os/run/ping.run
+++ b/repos/os/run/ping.run
@@ -65,7 +65,7 @@ append config {
 append_platform_drv_config
 
 append_if [have_spec gpio] config "
-	<start name=\"[gpio_drv]\">
+	<start name=\"[gpio_drv]\" caps=\"150\">
 		<resource name=\"RAM\" quantum=\"4M\"/>
 		<provides><service name=\"Gpio\"/></provides>
 		<config/>
@@ -77,7 +77,7 @@ append config {
 		<provides><service name="Timer"/></provides>
 	</start>
 
-	<start name="nic_drv">
+	<start name="nic_drv" caps="150">
 		<binary name="} [nic_drv_binary] {"/>
 		<resource name="RAM" quantum="20M"/>
 		<provides><service name="Nic"/></provides>
@@ -87,7 +87,7 @@ append config {
 	<start name="nic_bridge" caps="200">
 		<resource name="RAM" quantum="10M"/>
 		<provides><service name="Nic"/></provides>
-		<config>
+		<config mac="02:02:02:02:03:00">
 			<policy label_prefix="ping_1"/>
 			<policy label_prefix="ping_2"/>
 		</config>
diff --git a/repos/os/run/ping_nic_router.run b/repos/os/run/ping_nic_router.run
index 98be02f248..c7e18d5f69 100644
--- a/repos/os/run/ping_nic_router.run
+++ b/repos/os/run/ping_nic_router.run
@@ -68,7 +68,7 @@ append config {
 append_platform_drv_config
 
 append_if [have_spec gpio] config "
-	<start name=\"[gpio_drv]\">
+	<start name=\"[gpio_drv]\" caps=\"150\">
 		<resource name=\"RAM\" quantum=\"4M\"/>
 		<provides><service name=\"Gpio\"/></provides>
 		<config/>
@@ -80,7 +80,7 @@ append config {
 		<provides><service name="Timer"/></provides>
 	</start>
 
-	<start name="nic_drv">
+	<start name="nic_drv" caps="150">
 		<binary name="} [nic_drv_binary] {"/>
 		<resource name="RAM" quantum="20M"/>
 		<provides><service name="Nic"/></provides>
@@ -265,4 +265,4 @@ append done_string ".*ping_22\] From 10.0.4.1 icmp_seq=.* Destination Unreachabl
 
 append_if $on_hardware done_string ".*ping_23\] From [good_dst_ip] Destination Unreachable.*\n"
 
-run_genode_until $done_string 20
+run_genode_until $done_string 30