zfs: merge openzfs/zfs@2e6b3c4d9

Notable upstream pull request merges:
#15793 401c3563d libzfs: use zfs_strerror() in place of strerror()
#15793 692f0daba libzfs: make userquota_propname_decode threadsafe
#15798 0cbf13529 libnvpair.c: replace strstr() with strchr() for a single

character

#15812 78e8c1f84 Remove list_size struct member from list implementation
#15816 aeb33776f Update vdev devid and physpath if changed between imports
#15818 8161b7327 Don't assert mg_initialized due to device addition race
#15823 c3fd7a521 Update man pages to time(1) from time(2)
#15825 884a48d99 zpool wait: print timestamp before the header

Obtained from: OpenZFS
OpenZFS commit: 2e6b3c4d9453360a351af6148386360a3a7209b3