From afe72e166459d2afe5638ee22be978e87409b0ed Mon Sep 17 00:00:00 2001
From: John <ebusd@ebusd.eu>
Date: Sun, 19 Jun 2022 15:10:39 +0200
Subject: [PATCH] add libseccomp hint (related to #520)

---
 contrib/docker/README.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/contrib/docker/README.md b/contrib/docker/README.md
index 473e576d..2959231d 100644
--- a/contrib/docker/README.md
+++ b/contrib/docker/README.md
@@ -75,3 +75,10 @@ environment variables with the prefix `EBUSD_`, e.g. the following line can be u
 > docker run -d --name=ebusd --device=/dev/ttyUSB0 -p 8888 -e EBUSD_SCANCONFIG= -e EBUSD_DEVICE=/dev/ttyUSB0 -e EBUSD_MQTTPORT=1883 -e EBUSD_MQTTHOST=BROKERHOST john30/ebusd
 
 This eases use of e.g. docker-compose files.
+
+
+Hints for running on arm32v7 host with Ubuntu 20.04
+---------------------------------------------------
+If the system time in the container is invalid, then retrieval of CSVs from the config webservice through HTTPS does not
+work. This is due to an issue with an outdated [libseccomp library](https://github.com/moby/moby/issues/40734) on the host.
+To circumvent this behaviour, updating the library might help as mentioned [here](https://serverfault.com/questions/1037146/docker-container-with-random-date/1048351#1048351).