cli: fix neighbor formatting
cli: fix neighbor formatting

Signed-off-by: Wataru Ishida <15703620d0b11e835ab4f34ebf88f2f40cce783e@lab.ntt.co.jp>

a16/gobgp,fujita/gobgp,a16/gobgp,a16/gobgp,osrg/gobgp,ishidawataru/gobgp,Dipsingh/gobgp,j-kato/gobgp,osrg/gobgp,fujita/gobgp,fujita/gobgp,a16/gobgp,ishidawataru/gobgp,tamihiro/gobgp,a16/gobgp,ishidawataru/gobgp,fujita/gobgp,a16/gobgp,j-kato/gobgp,tamihiro/gobgp,Dipsingh/gobgp,Dipsingh/gobgp,tamihiro/gobgp,j-kato/gobgp,osrg/gobgp,tamihiro/gobgp,a16/gobgp,osrg/gobgp