fails:Socket#connect using IPv4 returns 0 when connected successfully using a String
fails:Socket#connect using IPv4 returns 0 when connected successfully using an Addrinfo
fails:Socket#connect using IPv4 raises Errno::EISCONN when already connected
fails:Socket#connect using IPv6 returns 0 when connected successfully using a String
fails:Socket#connect using IPv6 returns 0 when connected successfully using an Addrinfo
fails:Socket#connect using IPv6 raises Errno::EISCONN when already connected
fails(low priority excluded from JRuby 10):Socket#connect fails with timeout