diff --git a/in/private/server/index.rst b/in/private/server/index.rst
index f62cb29..c446e16 100644
--- a/in/private/server/index.rst
+++ b/in/private/server/index.rst
@@ -158,6 +158,8 @@ Maybe one day:
 * echo "ecdsa-sha2-nistp521 AAAAE2VjZHNhLXNoYTItbmlzdHA1MjEAAAAIbmlzdHA1MjEAAACFBAFBp8vFUIRu4Bq8EvnCGwlp71GQ4wGT5wKdY1X/c9AfYjsn/pnBNgnfNFxPxoNasG1MXeXjutSLtlXqnsWx2NQpFQC321MeUvd3Z/DCeIvS4WvpOZMyBvVUd2sTsuuCRVuH3fbJF5XPJrFzH3nEFNtcW7lmN+F6nKLB0kYahc3+gyTH+g==" > /root/.ssh/authorized_keys
 * /etc/network/interfaces.d/setup
 
+.. warning:: inet6 dhcp hangs!
+
 ::
 
  auto  lo