Package: ebtables Version: 2.0.11-5 Severity: serious ... Setting up ebtables (2.0.11-5) ... update-alternatives: using /usr/sbin/ebtables-legacy to provide /usr/sbin/ebtables (ebtables) in auto mode update-alternatives: error: cannot stat file '/usr/sbin/ebtables': Too many levels of symbolic links dpkg: error processing package ebtables (--configure): ...
This is due to (with merged /usr): lrwxrwxrwx 1 root root 18 Apr 6 2022 /sbin/ebtables -> /usr/sbin/ebtables lrwxrwxrwx 1 root root 26 Apr 6 2022 /sbin/ebtables-restore -> /usr/sbin/ebtables-restore lrwxrwxrwx 1 root root 23 Apr 6 2022 /sbin/ebtables-save -> /usr/sbin/ebtables-save Adding "set -x" in /var/lib/dpkg/info/ebtables.postinst shows: ... + LIST=ebtables ebtables-save ebtables-restore + [ -e /sbin/ebtables ] + [ -e /sbin/ebtables-save ] + [ -e /sbin/ebtables-restore ] + [ configure = configure ] ... Using -h instead of -e works: ... + LIST=ebtables ebtables-save ebtables-restore + [ -h /sbin/ebtables ] + readlink /sbin/ebtables + [ /usr/sbin/ebtables = /usr/sbin/ebtables ] + rm /sbin/ebtables + [ -h /sbin/ebtables-save ] + readlink /sbin/ebtables-save + [ /usr/sbin/ebtables-save = /usr/sbin/ebtables-save ] + rm /sbin/ebtables-save + [ -h /sbin/ebtables-restore ] + readlink /sbin/ebtables-restore + [ /usr/sbin/ebtables-restore = /usr/sbin/ebtables-restore ] + rm /sbin/ebtables-restore + [ configure = configure ] ...