main.udf fails on Ubuntu Bionic on Travis-CI

main.udf                                 w1 [ fail ]

        Test ended at 2020-03-18 15:56:11

CURRENT_TEST: main.udf

--- /home/travis/build/ottok/mariadb/mysql-test/main/udf.result	2020-03-18 15:30:33.031262216 +0000

+++ /home/travis/build/ottok/mariadb/mysql-test/main/udf.reject	2020-03-18 15:56:11.234936942 +0000

@@ -32,7 +32,7 @@

 ERROR HY000: Can't initialize function 'lookup'; Wrong arguments to lookup;  Use the source

 select lookup("localhost");

 lookup("localhost")

-127.0.0.1

+127.0.1.1

 select reverse_lookup();

 ERROR HY000: Can't initialize function 'reverse_lookup'; Wrong number of arguments to reverse_lookup;  Use the source

 select reverse_lookup("127.0.0.1");

mysqltest: Result content mismatch