br1/ipv4: show protocols all pipe1

pipe1 Pipe --- up 2020/02/21-14:47:40 master4 <=> blackholed

Channel main
    Table:          master4
    Peer table:     blackholed
    Import state:   up
    Export state:   up
    Import filter:  ACCEPT
    Export filter:  REJECT
  Routes:         1 imported, 0 exported
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:              4          0          0          0          4
    Import withdraws:            3          0        ---          0          3
    Export updates:     1702897380          4 1702897376          0          0
    Export withdraws:    288383835          0        ---  288383832          0