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Slowness due to port reporting high bus overrun discards in ifstat
https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Slowness_due_to_port_reporting_high_bus_overrun_discards_in_ifstat
job1: (g=0): rw=randrw, bs=(R) 128KiB-128KiB, (W) 128KiB-128KiB, (T) 128KiB-128KiB, ioengine=libaio, iodepth=64 job2: (g=0): rw=randrw, bs=(R) 128KiB-128KiB, (W) 128KiB-128KiB, (T) 128KiB-128KiB, ioen...job1: (g=0): rw=randrw, bs=(R) 128KiB-128KiB, (W) 128KiB-128KiB, (T) 128KiB-128KiB, ioengine=libaio, iodepth=64 job2: (g=0): rw=randrw, bs=(R) 128KiB-128KiB, (W) 128KiB-128KiB, (T) 128KiB-128KiB, ioengine=libaio, iodepth=64 Bad UDP cksum: 0 | Bad UDP6 cksum: 0 | Bad TCP cksum: 0 vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port a0a on node node01 is reporting a high number of observed hardware errors, possibly CRC errors.