CONTAP-74009: network_shelfd spams messages log when no NS224 disk shelves are attached.
Issue
If there are no external NS224 disk shelves attached to the controller chassis, the messages are harmless and can be ignored.
Example from ASUP -> MESSAGES.LOG.GZ:
00000035.01431910 02457f61 Mon Jun 27 2022 10:25:10 -05:00 [kern_network_shelfd:info:1608] 0x80832af00: 0: INFO: dns_sd_lite::networking: get_ifi_info:src/networking.cc:1256 GET_IFI_INFO: No cached ifi info - getting interface info
00000035.01431911 02457f61 Mon Jun 27 2022 10:25:10 -05:00 [kern_network_shelfd:info:1608] 0x80832af00: 0: WARNING: dns_sd_lite::networking: create_query_sockets:src/networking.cc:796 Can't create query sockets: no interfaces found
00000035.01431912 02457f61 Mon Jun 27 2022 10:25:10 -05:00 [kern_network_shelfd:info:1608] 0x80832af00: 0: ERR: dns_sd_lite::networking: get_query_sockets:src/networking.cc:878 Could not create query sockets