tail: unrecognized file system type 0x53464846 for ‘rsb-log-20170122-213101.txt’. please report this to bug-coreutils@gnu.org. reverting to polling

Linux SILVERSURFER2 3.4.0+ #1 PREEMPT Thu Aug 1 17:06:05 CST 2013 x86_64 x86_64 x86_64 GNU/Linux

This was on the new bash for windows, Ubuntu on Windows Linux Subsystem.