Squashed commit of the following:

commit 48a0b902b67da46f1eed4afa687bdcb56b59d02f
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Mon Dec 16 15:35:07 2019 +0200

    Increase timouts in the mxs173_trottle_filter test

commit 81d8083a89421a8004b8024d480ae0f35d715b86
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Mon Dec 16 14:19:39 2019 +0200

    Increase timeouts in max1071_maxrow test

commit e1039c6132f0e9274b8801165f3f905ede7c9421
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Mon Dec 16 00:06:53 2019 +0200

    Remove hardcoded 'home/vagrant/' from all maxscale.cnf in system tests

commit 28c8029e060afdcf5159bf802b13dcd5e484d9f1
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Sun Dec 15 21:31:34 2019 +0200

    Use private IP for Galera congiguration in maxscale-system-tests

commit 66dc36cbf43a5fb92465df31e1295e82865be1fc
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Sun Dec 15 09:06:28 2019 +0200

    Fix typos in fwf_*.cpp

commit 44c7a4384ddf39596c0254c955aeb6c008a00a35
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Sun Dec 15 09:05:26 2019 +0200

    Fix typos in fwf_*.cpp

commit 2649017611908a8b0d27090f49722947ac31c4f4
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Sun Dec 15 09:03:41 2019 +0200

    Fix typos in fwf_*.cpp

commit 5cc87658523e8496eaab17700be8a821af5b0cde
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Sat Dec 14 23:54:53 2019 +0200

    Fix typo in fwf_copy_rules.cpp

commit fb1accc36cb9d79691469f63cb4535f3bc38dedd
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Sat Dec 14 23:52:51 2019 +0200

    More hardcoded 'vagrant' removals

commit 77e49d474b4abe767629ff87b01f08137773d761
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Sat Dec 14 23:35:09 2019 +0200

    Fix hardcoded 'vagrant' user in fwf* tests

    Several firewall filter tests has hardcoded 'vagrant' as a user name for
    access user on the VM. Changed to node->access_user.

commit ed5ab1487f37822db6a7478f76c0f3652776c389
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Sat Dec 14 22:50:35 2019 +0200

    Fix IP vs IP_private

    Many tests use IP instead of IP_private which makes them failed in the
    AWS or GCloud environment.
    The same applies to get_conn_num() etc functions.

commit 0558aac23d303a675dc12d05b1766e698753b444
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Thu Aug 15 12:02:01 2019 +0300

    fix IP -> IP_private for some mysqlmon* testst

commit 5d9c70970d970eb995c8774d0088bd1c54ab76fe
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Sat Dec 14 20:20:51 2019 +0200

    Replace IP to IP_private in the maxscale-system-tests

commit b06cf3329af59ff100748691991213fe639f29e6
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Tue Nov 19 11:52:33 2019 +0200

    Remove spaces from value which were read from *_network_config

    MDBCI can put spaces around values in the *_network_config file which
    can cause ssh connection failures in the tests. To fix it removing all
    spaces from all values which were read from *_network_config

commit b3904f019847ef1db9d4ec9714ad9ef869fa0b01
Author: Timofey Turenko <timofey.turenko@mariadb.com>
Date:   Thu Dec 12 23:36:31 2019 +0200

    Increate default timeout for all system tests

maxscale-system-test/mysqlmon_rejoin_manual2.cpp

@@ -112,7 +112,7 @@ int main(int argc, char** argv)
     const char CHANGE_CMD_FMT[] = "CHANGE MASTER TO MASTER_HOST = '%s', MASTER_PORT = %d, "
                                   "MASTER_USE_GTID = current_pos, MASTER_USER='repl', MASTER_PASSWORD = 'repl';";
     char cmd[256];
-    snprintf(cmd, sizeof(cmd), CHANGE_CMD_FMT, test.repl->IP[3], test.repl->port[3]);
+    snprintf(cmd, sizeof(cmd), CHANGE_CMD_FMT, test.repl->IP_private[3], test.repl->port[3]);
     mysql_query(nodes[0], cmd);
     mysql_query(nodes[0], "START SLAVE;");
     test.maxscales->wait_for_monitor();