Hello I am facing a similar issues to what is mentioned on https://bst.cisco.com/bugsearch/bug/CSCvq36592.
I am using SG550X-48P on version 2.5.8.15 but behavior is the same:
Any idea how to overcome this random port flaps?
04-Aug-2022 23:00:16 :%LINK-I-Up: gi1/0/26
04-Aug-2022 23:00:09 :%LINK-W-Down: gi1/0/26
04-Aug-2022 11:54:20 :%STP-W-PORTSTATUS: gi3/0/38: STP status Forwarding
04-Aug-2022 11:54:15 :%LINK-I-Up: gi3/0/38
04-Aug-2022 11:54:13 :%LINK-W-Down: gi3/0/38
04-Aug-2022 11:54:08 :%STP-W-PORTSTATUS: gi3/0/38: STP status Forwarding
04-Aug-2022 11:54:04 :%LINK-I-Up: gi3/0/38
04-Aug-2022 11:54:02 :%LINK-W-Down: gi3/0/38
03-Aug-2022 23:00:31 :%STP-W-PORTSTATUS: gi1/0/26: STP status Forwarding
03-Aug-2022 23:00:26 :%LINK-I-Up: gi1/0/26
03-Aug-2022 23:00:19 :%LINK-W-Down: gi1/0/26