Run of fresh-snapshots for libcontext-preserve-perl

Try this locally (using the lintian-brush package):

debcheckout libcontext-preserve-perl
cd libcontext-preserve-perl
new-upstream --snapshot --refresh-patches --update-changelog
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E: Failed to fetch http://deb.debian.org/debian/pool/main/g/gettext/gettext_0.21-4_amd64.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/i/intltool-debian/intltool-debian_0.35.0+20060710.5_all.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/p/po-debconf/po-debconf_1.0.21+nmu1_all.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/d/debhelper/debhelper_13.3.4_all.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/liba/libarchive-cpio-perl/libarchive-cpio-perl_0.10-1.1_all.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/o/openldap/libldap-common_2.4.57+dfsg-3_all.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/libt/libtool/libltdl7_2.4.6-15_amd64.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/libt/libtool/libltdl-dev_2.4.6-15_amd64.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/libs/libsys-hostname-long-perl/libsys-hostname-long-perl_1.5-2_all.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/libm/libmail-sendmail-perl/libmail-sendmail-perl_0.80-1.1_all.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/c/cyrus-sasl2/libsasl2-modules_2.1.27+dfsg-2.1_amd64.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/libs/libsub-uplevel-perl/libsub-uplevel-perl_0.2800-1.1_all.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/libt/libtest-exception-perl/libtest-exception-perl_0.43-1_all.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Failed to fetch http://deb.debian.org/debian/pool/main/p/publicsuffix/publicsuffix_20210108.1309-1_all.deb  Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:9::644). - connect (101: Network is unreachable)
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
E: Failed to process build dependencies

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