Queue freezes


i have problem with queue freezing on asterisk16 + freepbx14. Most often it happens with bigger amount of incoming calls (100+), but sometimes it happens with 5 calls too. Extensions stops ringing, melodies stops playing… Calls are still open and arent cancelled corectly until reboot.
it happens 1-2 per week

its running on proxmox, 32cpu, 48G ram
i tried to change virtual network card, but it doesnt helped

suspicious log:

[2019-08-05 20:02:37] WARNING[17642] chan_sip.c: Autodestruct on dialog '[1c25fe404573620a3865974933377964 @ (ip_deleted)
(1c25fe404573620a3865974933377964 @ (ip_deleted):5060' with owner SIP/XXXXX_ustredna-00006112 in place (Method: BYE). Rescheduling destruction for 10000 ms

any idea?

Asterisk Version? Are you using FOP2 or doing dtmf transfers?

Sorry I see that now asterisk 16 plus but exact version might help others that have experience with 16.

im using dtmf transfers
and exact versions are freepbx and asterisk 16.3.0

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