ipv6: add 'ipv6_multiple_default_routes' test
Check that NM can handle two default routes on the same device for IPv6 requests coming from multiple radvd servers.
//bugzilla.redhat.com/show_bug.cgi?id=1445417
@Build:nm-1-10
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Check that NM can handle two default routes on the same device for IPv6 requests coming from multiple radvd servers.
//bugzilla.redhat.com/show_bug.cgi?id=1445417
@Build:nm-1-10