4.15.0-30.32) is not available, but a newer one is (4.15.0-46.49). We redirected you there.
/usr/share/man/man8/fsck.ext2.8.gz is in e2fsprogs 1.44.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man8/e2fsck.8.gz