[Anti-Cheat Report] Kicked for Irregular Movements after doing /home or /back and flying

In Game Name:

Jdawger​

Short title for your report:

Kicked for Irregular Movements after doing /home or /back and flying​

What client are you using:

Vanilla. No mods​

Which server were you on:

Main​

Which world were you in:

Rising, Mining, Nether​

What time did the issues and/or kick take place:

1:57am CST​

Ping on kick:

43ms​

Code/Codes received:

IrregularMovements.

Edit: Got one for Fly/Speed​

Description of the issue:

Kicked for Irregular Movements after doing /home or /back and flying​

Reproduction instructions:

1.) Make sure /fly is turned on
2.) Do /home or /back and change worlds (rising to mining; nether to mining; nether to rising, etc.). Every kick happened during a world change
3.) Hold space to fly or walk to move (mostly happens while trying to fly without walking first)
4.) Takes a hit of damage, then rubberbannded and kicked (happens a few times, not every time)​

How many times did you recreate this:

Three times within an hour​

Video evidence:

Ill try to get some​

 

I also get it when I mine mushroom blocks, specifically the stem while standing on it, and falling after breaking the block under my feet