It's in large part a warning -- there's no other explanation for the timing:
> The turmoil came on the same day of the inauguration of a long-awaited pipeline that will bring Norwegian gas to Poland, which used to rely heavily on Russia for supplies.
> The turmoil came on the same day of the inauguration of a long-awaited pipeline that will bring Norwegian gas to Poland, which used to rely heavily on Russia for supplies.
https://www.rferl.org/a/russia-gas-baltic-pipelines-leaks/32...
A single torpedo could sever the Pole's new energy supply.