ipvsadmin so much load!

IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
TCP  192.168.12.10:http wlc
  -> lvs-test1:http               Route   1	 15312      681
  -> lvs-test5:http               Route   1	 15312      643
  -> lvs-test6:http               Route   1	 15311      580
  -> lvs-test7:http               Route   1	 15315      552
  -> lvs-test8:http               Route   1	 15313      653
  -> lvs-test9:http               Route   1	 15309      624