Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
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Snippet: 
stderr:
/* test_devname_from_devnum */
/* test_sd_device_new_from_path */
/* test_sd_device_new_from_nulstr */
lo: setting devlink: /dev/disk/by-partuuid/1290d63a-42cc-4c71-b87c-xxxxxxxxxxxx
lo: setting devlink: /dev/disk/by-path/pci-0000:00:0f.0-scsi-0:0:0:0-part3
lo: setting devlink: /dev/disk/by-label/Arch\x20Linux
lo: setting devlink: /dev/disk/by-uuid/a07b87e5-4af5-4a59-bde9-yyyyyyyyyyyy
lo: setting devlink: /dev/disk/by-partlabel/Arch\x20Linux
lo: checking devlink: /dev/disk/by-partuuid/1290d63a-42cc-4c71-b87c-xxxxxxxxxxxx
lo: checking devlink: /dev/disk/by-path/pci-0000:00:0f.0-scsi-0:0:0:0-part3
lo: checking devlink: /dev/disk/by-label/Arch\x20Linux
lo: checking devlink: /dev/disk/by-uuid/a07b87e5-4af5-4a59-bde9-yyyyyyyyyyyy
lo: checking devlink: /dev/disk/by-partlabel/Arch\x20Linux
/* test_sd_device_get_child */
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