ipv6: remove ip6_gre module in @ipv6_tunnel_module_removal test
Created by: bengal
If the ip6_gre and ip6_tunnel modules were already loaded before the test, ip6_tunnel removal would fail because ip6_gre depends on it.
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Created by: bengal
If the ip6_gre and ip6_tunnel modules were already loaded before the test, ip6_tunnel removal would fail because ip6_gre depends on it.