diff --git a/setup/so-functions b/setup/so-functions
index bcaad4a8e..c41ae42bd 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -888,7 +888,8 @@ configure_network_sensor() {
 	local err
 	for BNIC in "${BNICS[@]}"; do
 		add_interface_bond0 "$BNIC" >> "$setup_log" 2>&1
-		err=$?
+		local ret=$?
+		[[ $ret ]] || err=$ret
 	done
 	return $err
 }