Help:please analysis  logs on mellanox switch

logs:

send arp command: arping2 -D -q -c 1 -C 0 -w 1000 -I swid0_eth.11 -t 7C:FE:90:BE:A2:50 -s 24:8A:07:CD:04:08

kernel: [15706142.471406] sx_core 0000:03:00.0: triggering backup poll for CQ:26 RDQ:2 cons_index:172196233

kernel: [15706142.471425] sx_core: sx_eq_int: doing backup poll for QN:26

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