diff --git a/repos/ports/run/netperf.inc b/repos/ports/run/netperf.inc
index dddc441eb..a13cd3c39 100644
--- a/repos/ports/run/netperf.inc
+++ b/repos/ports/run/netperf.inc
@@ -324,7 +324,12 @@ append_if [have_spec lan9118] qemu_args " -net nic,model=lan9118 "
 
 append qemu_args " -net user -redir tcp:12865::12865 -redir tcp:49153::49153 "
 
-run_genode_until {.*and family AF_INET.*} 30
+if {[have_spec linux]} {
+	run_genode_until {.*family AF_INET.*\n} 60
+} else {
+	run_genode_until $ip_match_string 60
+}
+
 set serial_id [output_spawn_id]
 
 set force_ports ""
@@ -338,6 +343,9 @@ if {[have_include "power_on/qemu"]} {
 	puts ""
 }
 
+# give the TCP/IP stack some time to settle down
+sleep 3
+
 # start netperf client connecting to netperf server running native on Genode
 foreach netperf_test $netperf_tests {
 	puts "\n---------------------------- $netperf_test -----------------------"
diff --git a/repos/ports/run/netperf_lwip.inc b/repos/ports/run/netperf_lwip.inc
index f89787087..1871f72a2 100644
--- a/repos/ports/run/netperf_lwip.inc
+++ b/repos/ports/run/netperf_lwip.inc
@@ -1,4 +1,4 @@
 set netperf_target  app/netperf/lwip
 set netperf_app     netserver_lwip
 set netperf_stack   lwip.lib.so
-set ip_match_string "got IP address (\[0-9\]+\.\[0-9\]+\.\[0-9\]+\.\[0-9\]+)"
+set ip_match_string "got IP address (\[0-9]{1,3}.\[0-9]{1,3}.\[0-9]{1,3}.\[0-9]{1,3}).*\n"
diff --git a/repos/ports/run/netperf_lxip.inc b/repos/ports/run/netperf_lxip.inc
index b30164292..a140ec831 100644
--- a/repos/ports/run/netperf_lxip.inc
+++ b/repos/ports/run/netperf_lxip.inc
@@ -1,4 +1,4 @@
 set netperf_target   app/netperf/lxip
 set netperf_app      netserver_lxip 
 set netperf_stack  { lxip.lib.so libc_resolv.lib.so }
-set ip_match_string "ipaddr=(\[0-9\]+\.\[0-9\]+\.\[0-9\]+\.\[0-9\]+)"
+set ip_match_string "ipaddr=(\[0-9\]+\.\[0-9\]+\.\[0-9\]+\.\[0-9\]+).*\n"