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-rwxr-xr-xtest/packetdrill/packetdrill_test.sh4
1 files changed, 2 insertions, 2 deletions
diff --git a/test/packetdrill/packetdrill_test.sh b/test/packetdrill/packetdrill_test.sh
index 0b22dfd5c..c8268170f 100755
--- a/test/packetdrill/packetdrill_test.sh
+++ b/test/packetdrill/packetdrill_test.sh
@@ -91,8 +91,8 @@ fi
# Variables specific to the test runner start with TEST_RUNNER_.
declare -r PACKETDRILL="/packetdrill/gtests/net/packetdrill/packetdrill"
# Use random numbers so that test networks don't collide.
-declare -r CTRL_NET="ctrl_net-${RANDOM}${RANDOM}"
-declare -r TEST_NET="test_net-${RANDOM}${RANDOM}"
+declare -r CTRL_NET="ctrl_net-$(shuf -i 0-99999999 -n 1)"
+declare -r TEST_NET="test_net-$(shuf -i 0-99999999 -n 1)"
declare -r tolerance_usecs=100000
# On both DUT and test runner, testing packets are on the eth2 interface.
declare -r TEST_DEVICE="eth2"