https://docs.frrouting.org/en/latest/bfd.html#clicmd-echo-receive-interval-disabled-10-4294967
set protocols bfd profile slow interval echo-receive disabled set protocols bfd profile slow interval echo-receive 1000 set protocols bfd profile slow interval echo-transmit 1000 set protocols bfd peer 1.1.1.1 interval echo-receive disabled set protocols bfd peer 1.1.1.1 interval echo-receive 1000 set protocols bfd peer 1.1.1.1 interval echo-transmit 1000