no shutdown for the peer not displayed by default for FRR 7.5.1
set protocols bfd peer 192.0.2.10 interval receive '500' set protocols bfd peer 192.0.2.10 interval transmit '600' set protocols bfd peer 192.0.2.10 multihop set protocols bfd peer 192.0.2.10 source address '192.0.2.254'
Frr 7.5.1 config
! bfd peer 192.0.2.10 multihop local-address 192.0.2.254 transmit-interval 600 receive-interval 500 ! !
Frr 7.3.1 config
! bfd peer 192.0.2.10 multihop local-address 192.0.2.254 transmit-interval 600 receive-interval 500 no shutdown ! !
So it can't take bfd smoketest.