[FS#917] Tunnels not vavalaiable in Realtime Graphs

[LEDE Bugs]

The following task has a new comment added:

FS#917 - Tunnels not vavalaiable in Realtime Graphs
User who did this - Jo-Philipp Wich (jow-)

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Please provide the output of:

lua -lluci.jsonc -lnixio -e 'print(luci.jsonc.stringify(nixio.getifaddrs(), true))'
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=917#comment3021