Josh Bleecher Snyder a1c265b0c5 device: simplify UAPI helper methods ...

bufio is not required.

strings.Builder is cheaper than bytes.Buffer for constructing strings.

io.Writer is more flexible than io.StringWriter,
and just as cheap (when used with io.WriteString).

Run gofmt.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>

2021-01-07 14:49:44 +01:00

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