Comment 8 for bug 1896443

Bug is only at arm/v7
Tested on rpi3 with ubuntu 20.04 arm/v7 and arm64

Last working image is ubuntu:focal-20200115

Issue posted at:
https://github.com/boostorg/boost/issues/474

Can be related to the last commit:
http://changelogs.ubuntu.com/changelogs/pool/main/b/boost-defaults/boost-defaults_1.71.0.0ubuntu2/changelog

ubuntu 20.04 arm/v7 (rpi3)
$ docker run ubuntu:focal-20210119 date
Sun Feb 22 06:29:15 UTC 1970
$ docker run ubuntu:focal-20200115 date
Sat Jan 30 13:24:03 UTC 2021
$ date
Sat Jan 30 13:24:15 UTC 2021
ubuntu 20.04 arm64 (rpi3)
$ docker run ubuntu:focal-20210119 date
Sat Jan 30 13:27:28 UTC 2021
$ docker run ubuntu:focal-20200115 date
Sat Jan 30 13:28:26 UTC 2021
$ date
Sat Jan 30 13:28:38 UTC 2021