In addition to the issue mentioned by Kamal, the checks on the CHASSIS are wrong here,
56: for cert in ['/etc/ovn/cert_host', '/etc/ovn/ovn-central.crt']:
It should be checking for /etc/ovn/ovn-chassis.crt
In addition to the issue mentioned by Kamal, the checks on the CHASSIS are wrong here,
56: for cert in ['/etc/ ovn/cert_ host', '/etc/ovn/ ovn-central. crt']:
It should be checking for /etc/ovn/ ovn-chassis. crt