SFP_WARN0
err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status));
err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status));
err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status));
err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status));
err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status));
err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status));
err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status));
err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status));