The quickstart in directory rts/lraexamples/cdi-participant failed on IPv6 because the target server (hosting an LRA participant) could not be halted (kill -0 reported the process as still alive):
[0m+ kill -0 23244
+ '[' 0 '!=' 1 ']'
+ echo 'cdi service on pid 23244 failed to halt'
cdi service on pid 23244 failed to halt