$ pyang --ietf --max-line-length 69 ietf-bfd-unsolicited\@2021-10-15.yang ietf-bfd-unsolici...@2021-10-15.yang:17: warning: imported module "ietf-bfd" not used ietf-bfd-unsolici...@2021-10-15.yang:22: warning: imported module "ietf-bfd-ip-sh" not used ietf-bfd-unsolici...@2021-10-15.yang:128: warning: line length 71 exceeds 69 characters
The following line needs to be split:
"BFD IP single-hop interface unsolicited top level container";
