Better support legacy DES customers #2790

Job	Run time
grpc	24m 55s
haproxy	3m 2s
ntp	2m 8s
Python main	3m 42s
Python releases (FIPS=0 OPENSSL_IN_CRT=0)	12m 8s
tpm2-tss	3m 33s
Python releases (FIPS=1 OPENSSL_IN_CRT=0)	12m 9s
socat	6m 40s
Python releases (FIPS=0 OPENSSL_IN_CRT=1)	11m 27s
Python releases (FIPS=1 OPENSSL_IN_CRT=1)	11m 49s
trousers	1m 10s
bind9	5m 12s
libevent	27m 54s
OpenLDAP	16m 51s
strongswan	1m 45s
tcpdump	1m 46s
	2h 26m 11s

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