При обработке следующих пакетов произошли ошибки: postfix

[Сэм]

Всем доброго времени суток.
Вот, собственно проблема 

(Нажмите, чтобы показать/скрыть)

sudo apt-get dist-upgrade
Чтение списков пакетов… Готово
Построение дерева зависимостей       
Чтение информации о состоянии… Готово
Расчёт обновлений… Готово
обновлено 0, установлено 0 новых пакетов, для удаления отмечено 0 пакетов, и 0 пакетов не обновлено.
не установлено до конца или удалено 1 пакетов.
После данной операции, объём занятого дискового пространства возрастёт на 0 B.
Хотите продолжить? [Д/н] Д
Настраивается пакет postfix (3.1.0-3) …
insserv: warning: script 'K07smfpd' missing LSB tags and overrides
insserv: warning: script 'smfpd' missing LSB tags and overrides
insserv: There is a loop at service plymouth if started
insserv: There is a loop between service plymouth and urandom if started
insserv:  loop involving service urandom at depth 4
insserv:  loop involving service hwclock at depth 3
insserv: There is a loop between service smfpd and udev if started
insserv:  loop involving service udev at depth 1
insserv: There is a loop at service smfpd if started
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting smfpd depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Max recursions depth 99 reached
insserv:  loop involving service cups-browsed at depth 2
insserv:  loop involving service networking at depth 6
insserv:  loop involving service mountdevsubfs at depth 3
insserv:  loop involving service mountkernfs at depth 1
insserv:  loop involving service smfpd at depth 1
insserv: exiting now without changing boot order!
update-rc.d: error: insserv rejected the script header
dpkg: ошибка при обработке пакета postfix (--configure):
 подпроцесс установлен сценарий post-installation возвратил код ошибки 1
Обрабатываются триггеры для libc-bin (2.23-0ubuntu5) …
При обработке следующих пакетов произошли ошибки:
 postfix
E: Sub-process /usr/bin/dpkg returned an error code (1)

прежде чем писать, посмотрел советы в интернете - но я уже опасаюсь вот так по советам (а они то разных годов, разные версии ОС и т.д.) что-то настраивать: есть горький опыт, потом приходилось переустанавливать систему.
Просьба: подскажите, как решить эту проблему? Спасибо.
ТС не появлялся на Форуме более трех месяцев по состоянию на 05/12/2019 (последняя явка: 30/07/2019). Модератором раздела принято решение закрыть тему.
--zg_nico