It's day 17 and I've seen 2 of my eggs wobble...is this early? Should I be concerned?

[Avens Avians]

We are on day 17 today and have a breathe hole opened this evening! This seems strange to me--any had similar results? We did lock down this afternoon so you can imagine the surprise to see a breathe hole this evening!

 

[mcaruana]

no no south west England

I'm South UK also