Got this message from tail in a docker container running against a file on a volume mounted btrfs filesystem:
tail: unrecognized file system type 0x794c7630 for ‘/var/log/syslog’. please report this to bug-coreutils@gnu.org. reverting to polling So I am doing that. Detailed system specs below. Please don't hesitate to ask if you need any more info. Host: Debian Unstable amd64 Docker Container: x86_64 alpine linux base Filesystem of file: btrfs single disc, single volume volume mounted into the docker chroot