30 seconds is too long interval especially if it used with ip -s l.
Reduce polling interval to 5 sec.
Signed-off-by: NOleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20220221084129.3660124-1-o.rempel@pengutronix.deSigned-off-by: NJakub Kicinski <kuba@kernel.org>