Comment 4 for bug 1857257

The error with 5.0.0-29-generic (and 5.0.0-27-generic), however, is slightly different from 5.0.0-35-generic:

5.0.0-27-generic and 5.0.0-29-generic:

(00.080120) Dumping path for -3 fd via self 14 [/]
(00.080127) Error (criu/files-reg.c:1290): Unaccessible path opened 49:24201, need 2050:547424
(00.080138) Error (criu/cr-dump.c:1243): Collect mappings (pid: 1354) failed with -1

5.0.0-35-generic:

(00.078892) Error (criu/files-reg.c:1341): Can't lookup mount=331 for fd=-3 path=/bin/sh
(00.078906) Error (criu/cr-dump.c:1243): Collect mappings (pid: 1333) failed with -1