For easier maintenance and operability move the interface specific protocol setting of OSPF to the OSPF protocol section.
This means to migrate:
ethernet eth0 { vif 202 { ip { ospf { authentication { md5 { key-id 10 { md5-key vyosvyos } } } dead-interval 40 hello-interval 10 priority 1 retransmit-interval 5 transmit-delay 1 } } } }
to
protocols { ospf { interface eth0.201 { authentication { md5 { key-id 10 { md5-key vyosvyos } } } dead-interval 40 hello-interval 10 priority 1 retransmit-interval 5 transmit-delay 1 } }