Fix integration tests failure when calling "ip"

Signed-off-by: TTFISH <jiongchiyu@gmail.com>
(cherry picked from commit eb55472ee1)
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

Dockerfile

@@ -31,6 +31,7 @@ RUN KEYFILE=/usr/share/keyrings/criu-repo-keyring.gpg; \
         sshfs \
         sudo \
         uidmap \
+        iproute2 \
     && apt-get clean \
     && rm -rf /var/cache/apt /var/lib/apt/lists/* /etc/apt/sources.list.d/*.list