Reassigning to package snapd per ownership of rules file.
$ grep -r 'snap auto-import' /lib/udev/rules.d/ /lib/udev/rules.d/66-snapd-autoimport.rules:3: RUN+="/usr/bin/unshare -m /usr/bin/snap auto-import --mount=/dev/%k"
$ dpkg -S /lib/udev/rules.d/66-snapd-autoimport.rules snapd: /lib/udev/rules.d/66-snapd-autoimport.rules
Reassigning to package snapd per ownership of rules file.
$ grep -r 'snap auto-import' /lib/udev/rules.d/ rules.d/ 66-snapd- autoimport. rules:3: RUN+="/ usr/bin/ unshare -m /usr/bin/snap auto-import --mount=/dev/%k"
/lib/udev/
$ dpkg -S /lib/udev/ rules.d/ 66-snapd- autoimport. rules rules.d/ 66-snapd- autoimport. rules
snapd: /lib/udev/