If you want statistics about IPv6 you can use snmpv6 exporter.
Currently, the "/proc/net/snmp6" is existing but all values are
just "0".
To use this plugin you have to set
CONFIG_PROC_STRIPPED=n
I will find a way to enable the important ipv6 statistics by default.
Signed-off-by: Nick Hainke <vincent@systemli.org>