add iproute2

add iproute2

diff --git a/Dockerfile b/Dockerfile
index a5cedae..481dda9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,6 +6,7 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get update \
     ca-certificates \
     curl \
     gdb \
+    iproute2 \
     jq \
     less \
     lsof \

GitHub sha: 5612eafb37a39ceadc1775a0f9af0cbe8a8a6ab7