debug loop-detect level

device# debug loop-detect
device# debug loop-detect level 3
device# no debug loop-detect level 3
device# no debug loop-detect port ethernet 1/1/19
device# no debug loop-detect port ethernet 1/2/1 
device# show logging debug l2 l2hitless all all
Jun 11 12:01:52:400510:debug:l2:l2hitless:1:342924188452353: Loop-detection: port 1/1/20 (vlan=2), put into errdisable state
Jun 11 12:01:47:400477:debug:l2:l2hitless:1:342894123681281: Loop-detection: port 1/2/2 (vlan=2), put into errdisable state
Jun 11 12:01:46:401255:debug:l2:l2hitless:1:342881238779393: Loop-detection: port 1/2/1 (vlan=2), put into errdisable state
Jun 11 12:01:39:329626:debug:l2:l2hitless:1:10532283126645504: [T=152567]send loop-detect to vlan2
Jun 11 12:01:38:329175:debug:l2:l2hitless:1:10531544392270592: [T=152557]send loop-detect to vlan2
Jun 11 12:01:37:329256:debug:l2:l2hitless:1:10530831427699456: [T=152547]send loop-detect to vlan2
Jun 11 12:01:36:334607:debug:l2:l2hitless:1:10530114168161024: [T=152537]send loop-detect to vlan2
Jun 11 12:01:35:334394:debug:l2:l2hitless:1:10529396908622592: [T=152527]send loop-detect to vlan2
Jun 11 12:01:34:330183:debug:l2:l2hitless:1:10528683944051456: [T=152517]send loop-detect to vlan2
Jun 11 12:01:33:334048:debug:l2:l2hitless:1:10527975274447616: [T=152507]send loop-detect to vlan2
Jun 11 12:01:32:382143:debug:l2:l2hitless:1:342842584073729: insert_disable primary 1/1/19, vlan=2
Jun 11 12:01:32:382028:debug:l2:l2hitless:1:342842584073729: Recv loop-detect from 1/1/19, vlan=2, pkt: port=Nil, vlan=2
Jun 11 12:01:32:310693:debug:l2:l2hitless:1:342838289106433: Loop-detection: port lg1 (vlan=2), put into errdisable state
Jun 11 12:01:32:310599:debug:l2:l2hitless:1:342838289106433: insert_disable primary lg1, vlan=2
Jun 11 12:01:32:310453:debug:l2:l2hitless:1:342838289106433: Recv loop-detect from 1/1/22, vlan=2, pkt: port=Nil, vlan=2
Jun 11 12:01:32:299618:debug:l2:l2hitless:1:10527206475301632: [T=152496]send loop-detect to vlan2
Jun 11 12:01:31:299460:debug:l2:l2hitless:1:10526472035894016: [T=152486]send loop-detect to vlan2
Jun 11 12:01:30:299226:debug:l2:l2hitless:1:10525750481388288: [T=152476]send loop-detect to vlan2
Jun 11 12:01:29:302573:debug:l2:l2hitless:1:10525016041980672: [T=152466]send loop-detect to vlan2
Jun 11 12:01:28:299907:debug:l2:l2hitless:1:10524268717671168: [T=152456]send loop-detect to vlan2
Jun 11 12:01:27:299130:debug:l2:l2hitless:1:10523547163165440: [T=152446]send loop-detect to vlan2
Jun 11 12:01:26:299457:debug:l2:l2hitless:1:10522825608659712: [T=152436]send loop-detect to vlan2
Jun 11 12:01:25:300172:debug:l2:l2hitless:1:10522108349121280: [T=152426]send loop-detect to vlan2
Jun 11 12:01:24:324905:debug:l2:l2hitless:1:10521403974484736: port lg1 enabled
Jun 11 12:01:24:324693:debug:l2:l2hitless:1:10521403974484736: port 1/1/22 enabled
Jun 11 12:01:24:314172:debug:l2:l2hitless:1:10521403974484736: remove disable lg1, vlan=2
Jun 11 12:01:24:314015:debug:l2:l2hitless:1:10521403974484736: port 1/1/21 enabled