I've seen this a few times:
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 512
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: It has been corrected by h/w and requires no further action
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: event severity: corrected
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: Error 0, type: corrected
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: section_type: PCIe error
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: port_type: 4, root port
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: version: 0.2
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: command: 0x0407, status: 0x0010
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: device_id: 0000:00:03.3
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: slot: 49
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: secondary_bus: 0x06
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: vendor_id: 0x1022, device_id: 0x1483
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: class_code: 060400
Sep 26 06:58:41 server kernel: {15}[Hardware Error]: bridge: secondary_status: 0x0000, control: 0x0012
Sep 26 06:58:41 server kernel: pcieport 0000:00:03.3: AER: aer_status: 0x00000040, aer_mask: 0x00000000
Sep 26 06:58:41 server kernel: pcieport 0000:00:03.3: [ 6] BadTLP
Sep 26 06:58:41 server kernel: pcieport 0000:00:03.3: AER: aer_layer=Data Link Layer, aer_agent=Receiver ID
Sep 26 06:58:47 server kernel: pcieport 0000:00:03.3: AER: aer_status: 0x00000040, aer_mask: 0x00000000
Sep 26 06:58:47 server kernel: pcieport 0000:00:03.3: [ 6] BadTLP
Sep 26 06:58:47 server kernel: pcieport 0000:00:03.3: AER: aer_layer=Data Link Layer, aer_agent=Receiver ID