call mtr.add_suppression("santa.claus.ipv6.example.com"); flush status; flush hosts; select @@global.debug; @@global.debug grant select on test.* to 'root'@'2001:db8::6:6'; select "Con1 is alive"; Con1 is alive Con1 is alive select current_user(); current_user() root@localhost set global debug= "+d,vio_peer_addr_fake_ipv6,getnameinfo_fake_ipv6,getaddrinfo_fake_bad_ipv6"; select "Con2 is alive"; Con2 is alive Con2 is alive select current_user(); current_user() root@2001:db8::6:6 "Dumping performance_schema.host_cache" IP 2001:db8::6:6 HOST NULL HOST_VALIDATED YES SUM_CONNECT_ERRORS 0 COUNT_HOST_BLOCKED_ERRORS 0 COUNT_NAMEINFO_TRANSIENT_ERRORS 0 COUNT_NAMEINFO_PERMANENT_ERRORS 0 COUNT_FORMAT_ERRORS 0 COUNT_ADDRINFO_TRANSIENT_ERRORS 0 COUNT_ADDRINFO_PERMANENT_ERRORS 0 COUNT_FCRDNS_ERRORS 1 COUNT_HOST_ACL_ERRORS 0 COUNT_NO_AUTH_PLUGIN_ERRORS 0 COUNT_AUTH_PLUGIN_ERRORS 0 COUNT_HANDSHAKE_ERRORS 0 COUNT_PROXY_USER_ERRORS 0 COUNT_PROXY_USER_ACL_ERRORS 0 COUNT_AUTHENTICATION_ERRORS 0 COUNT_SSL_ERRORS 0 COUNT_MAX_USER_CONNECTIONS_ERRORS 0 COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS 0 COUNT_DEFAULT_DATABASE_ERRORS 0 COUNT_INIT_CONNECT_ERRORS 0 COUNT_LOCAL_ERRORS 0 COUNT_UNKNOWN_ERRORS 0 FIRST_ERROR_SEEN set LAST_ERROR_SEEN set select "Con3 is alive"; Con3 is alive Con3 is alive select current_user(); current_user() root@2001:db8::6:6 "Dumping performance_schema.host_cache" IP 2001:db8::6:6 HOST NULL HOST_VALIDATED YES SUM_CONNECT_ERRORS 0 COUNT_HOST_BLOCKED_ERRORS 0 COUNT_NAMEINFO_TRANSIENT_ERRORS 0 COUNT_NAMEINFO_PERMANENT_ERRORS 0 COUNT_FORMAT_ERRORS 0 COUNT_ADDRINFO_TRANSIENT_ERRORS 0 COUNT_ADDRINFO_PERMANENT_ERRORS 0 COUNT_FCRDNS_ERRORS 1 COUNT_HOST_ACL_ERRORS 0 COUNT_NO_AUTH_PLUGIN_ERRORS 0 COUNT_AUTH_PLUGIN_ERRORS 0 COUNT_HANDSHAKE_ERRORS 0 COUNT_PROXY_USER_ERRORS 0 COUNT_PROXY_USER_ACL_ERRORS 0 COUNT_AUTHENTICATION_ERRORS 0 COUNT_SSL_ERRORS 0 COUNT_MAX_USER_CONNECTIONS_ERRORS 0 COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS 0 COUNT_DEFAULT_DATABASE_ERRORS 0 COUNT_INIT_CONNECT_ERRORS 0 COUNT_LOCAL_ERRORS 0 COUNT_UNKNOWN_ERRORS 0 FIRST_ERROR_SEEN set LAST_ERROR_SEEN set revoke select on test.* from 'root'@'2001:db8::6:6'; drop user 'root'@'2001:db8::6:6'; set global debug= default;