1 2 3 4
<13>Feb 13 23:31:30 test_tag: a1 a2 a3 a4 a5 b1 b2 b3 b4 b5 c1 c2 c3 c4 c5 <13>Feb 13 23:31:30 test_tag: <13>Feb 13 23:31:30 test_tag: 5{c..1} 4{c..1} 3{c..1} 2{c..1} 1{c..1} ret: 0