We are running 1.2.5-epa and experience BGP peers dropping. Mostly IPv6, sometimes IPv4.
The previous router was running Vyos 1.1.8 and did not have this problem with the same peers.
BGP log shows these lines:
Apr 02 xxxx:xxxx:43 tdcg-ams-er02 bgpd[1538]: %NOTIFICATION: sent to neighbor xxxx:xxxx:0:1::123:3 4/0 (Hold Timer Expired) 0 bytes
Apr 02 xxxx:xxxx:36 tdcg-ams-er02 bgpd[1538]: bgp_update_receive: rcvd End-of-RIB for IPv6 Unicast from xxxx:xxxx:0:1::123:3 in vrf default
Apr 02 xxxx:xxxx:34 tdcg-ams-er02 bgpd[1538]: %ADJCHANGE: neighbor xxxx:xxxx:0:1::123:3(Unknown) in vrf default Up
Apr 02 xxxx:xxxx:33 tdcg-ams-er02 bgpd[1538]: [EC 33554503] xxxx:xxxx:0:1::123:3 unrecognized capability code: 71 - ignored
Apr 02 xxxx:xxxx:32 tdcg-ams-er02 bgpd[1538]: %ADJCHANGE: neighbor xxxx:xxxx:0:1::123:3(Unknown) in vrf default Down BGP Notification send
Apr 02 xxxx:xxxx:32 tdcg-ams-er02 bgpd[1538]: %NOTIFICATION: sent to neighbor xxxx:xxxx:0:1::123:3 4/0 (Hold Timer Expired) 0 bytes