On B-5.3 P8, test result is a bit different:
# selftests: net: reuseport_bpf_numa
# ---- IPv4 UDP ----
# send node 0, receive socket 0
# send node 1, receive socket 1
# libnuma: Warning: Cannot read node cpumask from sysfs
# ./reuseport_bpf_numa: failed to pin to node: No such file or directory
not ok 3 selftests: net: reuseport_bpf_numa # exit=1
On B-5.3 P8, test result is a bit different: bpf_numa: failed to pin to node: No such file or directory
# selftests: net: reuseport_bpf_numa
# ---- IPv4 UDP ----
# send node 0, receive socket 0
# send node 1, receive socket 1
# libnuma: Warning: Cannot read node cpumask from sysfs
# ./reuseport_
not ok 3 selftests: net: reuseport_bpf_numa # exit=1