* libnetwork#2121: Retry other external DNS servers on ServFail
* libnetwork#2125: Fix README flag and expose orphan network peers
* libnetwork#2126: Adding goreport card
* libnetwork#2130: Modify awk to use cut in check_ip_overlap
* libnetwork#2117: [Carry 1534] Improve scalabiltiy of bridge network isolation rules
Full changes: 2bf63300c5...5c1218c956
Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
* run latest vndr so as to collect more LICENSE files
* remove unused packages
* vendor github.com/philhofer/fwd with LICENSE.md (MIT)
* vendor github.com/bsphere/le_go with LICENSE (MIT)
Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>