bird 3.2.0 - Malformed AS_PATH attribute - AS_SET segment (1) at 26

[Benjamin LaHaise]

Hello all,

With Fedora 43's bird 3.2.0-1 rpm installed on an x86_64 system, I'm
seeing that several routes are being dropped from a full feed with the log
messages below.  Using Fedora's bird 3.1.4-1 does not seem to have any
issues with the same BGP config and peer.  Is this a known bug?  What
additional information can I provide to aid in the debugging?  This is a
backup transit connection that is not yet in full production use (but will
be soon), so I can help with debugging and testing for now.

Cheers,

		-ben

Feb  4 14:42:49 router bird[24317]: upstream: Malformed AS_PATH attribute - AS_SET segment (1) at 14
Feb  4 14:42:49 router bird[24317]: upstream: Invalid route 76.165.0.0/16 withdrawn
Feb  4 14:42:49 router bird[24317]: upstream: Malformed AS_PATH attribute - AS_SET segment (1) at 18
Feb  4 14:42:49 router bird[24317]: upstream: Invalid route 204.10.20.0/22 withdrawn
Feb  4 14:42:49 router bird[24317]: upstream: Malformed AS_PATH attribute - AS_SET segment (1) at 14
Feb  4 14:42:49 router bird[24317]: upstream: Invalid route 213.186.96.0/19 withdrawn
Feb  4 14:42:49 router bird[24317]: upstream: Invalid route 94.178.0.0/15 withdrawn
Feb  4 14:42:49 router bird[24317]: upstream: Invalid route 37.52.0.0/14 withdrawn
Feb  4 14:42:50 router bird[24317]: upstream: Malformed AS_PATH attribute - AS_SET segment (1) at 26
Feb  4 14:42:50 router bird[24317]: upstream: Invalid route 208.68.112.0/21 withdrawn
Feb  4 14:42:50 router bird[24317]: upstream: Malformed AS_PATH attribute - AS_SET segment (1) at 18
Feb  4 14:42:50 router bird[24317]: upstream: Invalid route 147.92.87.0/24 withdrawn
Feb  4 14:42:50 router bird[24317]: upstream: Invalid route 52.129.48.0/24 withdrawn
Feb  4 14:42:50 router bird[24317]: upstream: Malformed AS_PATH attribute - AS_SET segment (1) at 18
Feb  4 14:42:50 router bird[24317]: upstream: Invalid route 15.20.64.0/18 withdrawn
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