Found on Cosmic s390x as well:
selftests: net: reuseport_dualstack ======================================== ---- UDP IPv4 created before IPv6 ---- ./reuseport_dualstack: expected to receive on v4 socket but got v6 (1) not ok 1..4 selftests: net: reuseport_dualstack [FAIL]
$ uname -r 4.18.0-18-generic
Found on Cosmic s390x as well:
selftests: net: reuseport_dualstack ======= ======= ======= ======= ===== dualstack: expected to receive on v4 socket but got v6 (1)
=======
---- UDP IPv4 created before IPv6 ----
./reuseport_
not ok 1..4 selftests: net: reuseport_dualstack [FAIL]
$ uname -r
4.18.0-18-generic