I’m seeing the following in my journalctl every 15 seconds:
Feb 01 11:18:45 raspberrypi hass[15290]: % Total % Received % Xferd Average Speed Time Time Time Current
Feb 01 11:18:45 raspberrypi hass[15290]: Dload Upload Total Spent Left Speed
Feb 01 11:18:45 raspberrypi hass[15290]: [237B blob data]
Feb 01 11:19:16 raspberrypi hass[15290]: % Total % Received % Xferd Average Speed Time Time Time Current
Feb 01 11:19:16 raspberrypi hass[15290]: Dload Upload Total Spent Left Speed
Feb 01 11:19:16 raspberrypi hass[15290]: [237B blob data]
Feb 01 11:19:46 raspberrypi hass[15290]: % Total % Received % Xferd Average Speed Time Time Time Current
Feb 01 11:19:46 raspberrypi hass[15290]: Dload Upload Total Spent Left Speed
Feb 01 11:19:46 raspberrypi hass[15290]: [237B blob data]
Feb 01 11:20:17 raspberrypi hass[15290]: % Total % Received % Xferd Average Speed Time Time Time Current
Feb 01 11:20:17 raspberrypi hass[15290]: Dload Upload Total Spent Left Speed
Feb 01 11:20:17 raspberrypi hass[15290]: [237B blob data]
Feb 01 11:20:48 raspberrypi hass[15290]: % Total % Received % Xferd Average Speed Time Time Time Current
Feb 01 11:20:48 raspberrypi hass[15290]: Dload Upload Total Spent Left Speed
Feb 01 11:20:48 raspberrypi hass[15290]: [237B blob data]
Feb 01 11:21:19 raspberrypi hass[15290]: % Total % Received % Xferd Average Speed Time Time Time Current
Feb 01 11:21:19 raspberrypi hass[15290]: Dload Upload Total Spent Left Speed
Feb 01 11:21:19 raspberrypi hass[15290]: [237B blob data]
Feb 01 11:21:50 raspberrypi hass[15290]: % Total % Received % Xferd Average Speed Time Time Time Current
Feb 01 11:21:50 raspberrypi hass[15290]: Dload Upload Total Spent Left Speed
Feb 01 11:21:50 raspberrypi hass[15290]: [237B blob data]
Feb 01 11:22:21 raspberrypi hass[15290]: % Total % Received % Xferd Average Speed Time Time Time Current
Feb 01 11:22:21 raspberrypi hass[15290]: Dload Upload Total Spent Left Speed
Feb 01 11:22:21 raspberrypi hass[15290]: [237B blob data]
Feb 01 11:22:52 raspberrypi hass[15290]: % Total % Received % Xferd Average Speed Time Time Time Current
Feb 01 11:22:52 raspberrypi hass[15290]: Dload Upload Total Spent Left Speed
Feb 01 11:22:52 raspberrypi hass[15290]: [237B blob data]
Feb 01 11:23:23 raspberrypi hass[15290]: % Total % Received % Xferd Average Speed Time Time Time Current
Feb 01 11:23:23 raspberrypi hass[15290]: Dload Upload Total Spent Left Speed
Feb 01 11:23:23 raspberrypi hass[15290]: [237B blob data]
Feb 01 11:23:54 raspberrypi hass[15290]: % Total % Received % Xferd Average Speed Time Time Time Current
Feb 01 11:23:54 raspberrypi hass[15290]: Dload Upload Total Spent Left Speed
Feb 01 11:23:54 raspberrypi hass[15290]: [237B blob data]
Feb 01 11:24:25 raspberrypi hass[15290]: % Total % Received % Xferd Average Speed Time Time Time Current
Feb 01 11:24:25 raspberrypi hass[15290]: Dload Upload Total Spent Left Speed
Feb 01 11:24:25 raspberrypi hass[15290]: [158B blob data]
It looks like it belongs to the speedtest component, but that’s only running every 4 hours, not 15 seconds.
EDIT: I changed logger to output sensor.speedtest debug and it’s still the same, nothing extra.