4.10.0-21.23~16.04.1) is not available, but a newer one is (4.10.0-42.46~16.04.1). We redirected you there.
/usr/share/terminfo/t/ts-1 is in ncurses-term 5.9+20140118-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/terminfo/t/../f/falco