Cloudflare sends a lot of unknown message types and creates lots of new windows

[clapbr]

use 1.1.1.1 as resolver and see chaos

New window created: 1
An error occurred (see window 1 for stacktrace): Unknown message type: 0x4d
New window created: 2
New window created: 3
An error occurred (see window 3 for stacktrace): Unknown message type: 0x1a
Protocol exception caught in dnscat DNS module (for more information, check window 'dns1'):
#<DnscatException: Packet is too short (header)>
Session 2 Security: ENCRYPTED AND VERIFIED!
(the security depends on the strength of your pre-shared secret!)
dnscat2> 
dnscat2> session -i 2
New window created: 4
An error occurred (see window 4 for stacktrace): Unknown message type: 0x31
New window created: 5
New window created: 6
An error occurred (see window 6 for stacktrace): Unknown message type: 0x50
Session 5 Security: ENCRYPTED AND VERIFIED!
(the security depends on the strength of your pre-shared secret!)
dnscat2> sessions

An error occurred (see window 26 for stacktrace): Unknown message type: 0xf3
New window created: 27
An error occurred (see window 27 for stacktrace): Unknown message type: 0x68
New window created: 28
An error occurred (see window 28 for stacktrace): Unknown message type: 0x21
New window created: 29
An error occurred (see window 29 for stacktrace): Unknown message type: 0xca
New window created: 30
An error occurred (see window 30 for stacktrace): Unknown message type: 0x8
New window created: 31
An error occurred (see window 31 for stacktrace): Unknown message type: 0x2f
New window created: 32
An error occurred (see window 32 for stacktrace): Unknown message type: 0xc4
New window created: 33
An error occurred (see window 33 for stacktrace): Unknown message type: 0x26
New window created: 34
An error occurred (see window 34 for stacktrace): Unknown message type: 0xf8
New window created: 35
An error occurred (see window 35 for stacktrace): Unknown message type: 0xe7
New window created: 36
An error occurred (see window 36 for stacktrace): Unknown message type: 0x6c