krd-rs2/ipv4: show protocols all mcn

mcn BGP master down 06:25:03

Description:    AS34352 MCN MarComNet Telecomm Ltd.
  Preference:     100
  Input filter:   mcn_in
  Output filter:  mcn_out
  BGP state:          Down
    Neighbor address: 91.240.225.16
    Neighbor AS:      34352