himalia.ion.rhr.de: show protocols all yuetau

yuetau BGP --- start 2021-05-25 00:03:29 Connect BGP Error: Hold timer expired

Router ID:      172.20.190.96
  BGP state:          Connect
    Neighbor address: fe80::925%dn42_yuetau
    Neighbor AS:      4242420925
    Local AS:         4242420197
    FSM established transitions: 17
    Rcvd messages:    0 total / 0 updates / 0 bytes
    Sent messages:    0 total / 0 updates / 0 bytes
    Last rcvd update elapsed time: 0.000 s
    Last error:       BGP Error: Hold timer expired
  Channel ipv4
    State:          DOWN
    Table:          dn42_v4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
  Channel ipv6
    State:          DOWN
    Table:          dn42_v6
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)