MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf);
MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval);
MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval);
MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf);
MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval);
MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval);