Bug#886342: systemd-networkd: Unknown section 'Tap'. Ignoring.

[Wolfgang Walter]

On Thursday, 4 January 2018 19:54:41 CET Michael Biebl wrote:
> Am 04.01.2018 um 19:30 schrieb Wolfgang Walter:
> > Package: systemd
> > Version: 236-2
> > 
> > Problem: since upgrading to 236-1 I get the following error:
> > 
> > systemd-networkd:[810]: /etc/systemd/network/tunnel.netdev: :5: Unknown
> > section 'Tap'. Ignoring.

I'm not familiar with the source code of systemd, but this false warnings may 
result from

	network/netdev/netdev.c, line 603: netdev_load_one()

this functions calls config_parse_many() from shared/conf_parser.c.

The first time netdev_load_one() calls it (line 634) to inspect the sections 
Match and NetDev because it does not know at that point which kind of netdev 
will be defined.

In  shared/conf-parser.c config_parse_many() calls config_parse_many_files() 
=> config_parse() => parse_line().

parse_line() emits that warning in line 229 of shared/conf_parser.c when it 
parses the VLAN/MACVTAP/... section as in this first call  netdev_load_one() 
does not include them in the list of valid sections.

Maybe  netdev_load_one() should set the flag CONFIG_PARSE_RELAXED for the 
first call.


I looked at the code

https://sources.debian.org/src/systemd/236-2/src/


Regards,
-- 
Wolfgang Walter
Studentenwerk München
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