diff --git a/tunings/manual_polling.sh b/tunings/manual_polling.sh
index 59f74fdd782bc4fb0c313931e58abe5cd77a4e85..aea26089c98625e0c6920704e47bd8dceea60c27 100644
--- a/tunings/manual_polling.sh
+++ b/tunings/manual_polling.sh
@@ -3,9 +3,9 @@ if [ "$(uname -r)" == "5.15.79-peter" ]; then
     exit 1
 fi
 
-ethtool -G eno3d1 rx 8192
-ethtool -C eno3d1 rx-usecs 65534 rx-frames 65534 adaptive-rx off # 65535 - default
-ethtool -C eno3d1 tx-usecs  1024 tx-frames   256 adaptive-tx off # 65535 - default
+ethtool -G $NET_IF rx 8192
+ethtool -C $NET_IF rx-usecs 65534 rx-frames 65534 adaptive-rx off # 65535 - default
+ethtool -C $NET_IF tx-usecs  1024 tx-frames   256 adaptive-tx off # 65535 - default
 sysctl net.core.busy_poll=65535
 sysctl net.core.busy_read=65535
 sysctl net.core.dev_weight=1024