срёт в dmesg
[1191185.883337] block nbd0: Possible stuck request 00000000eeeda502: control (write@1824522240,4096B). Runtime 300 seconds
[1191185.883340] block nbd0: Possible stuck request 0000000005e59443: control (write@4982513664,4096B). Runtime 300 seconds
[1191185.883341] block nbd0: Possible stuck request 00000000335963ce: control (write@4662579200,4096B). Runtime 300 seconds
[1191185.883342] block nbd0: Possible stuck request 00000000e4e85745: control (write@7213940736,4096B). Runtime 300 seconds