Description of problem:
Inside the chroot networking will fails, when it was activated.

Version-Release number of selected component (if applicable):
mock-1.4.11-1.el7.noarch


How reproducible:
Every time

Steps to Reproduce:
1. Add an call "wget http://repo1.maven.org/maven2/org/antlr/antlr/3.1.3/antlr-3.1.3.pom" inside the spec file
2. try to build it


Actual results:
It will fails because network will not work.
Error:
+ wget http://repo1.maven.org/maven2/org/antlr/antlr/3.1.3/antlr-3.1.3.pom
--2018-08-01 11:07:43--  http://repo1.maven.org/maven2/org/antlr/antlr/3.1.3/antlr-3.1.3.pom
Resolving repo1.maven.org (repo1.maven.org)... failed: Name or service not known.
wget: unable to resolve host address 'repo1.maven.org'



Expected results:
Network inside the chroot, when enabled.

Additional info:
I have try the following options:
--enable-network -> fails
--enable-network --config-opts=rpmbuild_networking=True --config-opts=use_host_resolv=True -> fails
--config-opts=rpmbuild_networking=True --config-opts=use_host_resolv=True -> fails