Suppress "IPv4 forwarding" warning for --net=host

Containers using the host network stack (--net=host) are not affected by "ip-forwarding" being disabled, so there's not need to show a warning. Signed-off-by: Sebastiaan van Stijn <github@gone.nl> Upstream-commit: 5fb7f9b29e9a85f36d02c4ecec6c04498fdb4315 Component: engine
2016-05-18 20:10:31 +02:00
parent ef177628bc
commit fac63eb804
2 changed files with 6 additions and 1 deletions
@@ -37,6 +37,9 @@ or to turn it on manually:
  net.ipv4.conf.all.forwarding = 1
 ```

+> **Note**: this setting does not affect containers that use the host
+> network stack (`--net=host`).
+
 Many using Docker will want `ip_forward` to be on, to at least make
 communication _possible_ between containers and the wider world. May also be
 needed for inter-container communication if you are in a multiple bridge setup.