[BUG] snmp collector get apr info from h3c_switch but some mac addr info get error String

[ytmflcel321]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

only two mac addr had this error

Expected Behavior

get right mac info

Steps To Reproduce

collect config info

 - name: arpinfo
    i18n:
      zh-CN: ARP表项
      en-US: ARP Table
    priority: 1
    fields:
      - field: ifIndex
        type: 1
        i18n:
          zh-CN: 本端接口索引
          en-US: Local Interface Index
      - field: dstIp
        type: 1
        label: true
        i18n:
          zh-CN: 对端IP
          en-US: Dst IP
      - field: dstMac
        type: 1
        i18n:
          zh-CN: 对端MAC
          en-US: Dst Mac
    # (optional)metrics field alias name, it is used as an alias field to map and convert the collected data and metrics field
    aliasFields:
      - ifIndex
      - dstIp
      - dstMac
    # calculates:
    #   - ifIndex=convertMacAndVlan(ifIndex)
    #   - descr=ifDescr
    # mapping and conversion expressions, use these and aliasField above to calculate metrics value
    # eg: cores=core1+core2, usage=usage, waitTime=allTime-runningTime
    protocol: snmp
    snmp:
      host: ^_^host^_^
      port: ^_^port^_^
      username: ^_^username^_^
      authPassphrase: ^_^authPassphrase^_^
      privPassphrase: ^_^privPassphrase^_^
      privPasswordEncryption: ^_^privPasswordEncryption^_^
      authPasswordEncryption: ^_^authPasswordEncryption^_^
      contextName: ^_^contextName^_^
      timeout: ^_^timeout^_^
      community: ^_^community^_^
      version: ^_^snmpVersion^_^
      operation: walk
      oids:
        ifIndex: 1.3.6.1.2.1.3.1.1.1
        dstIp: 1.3.6.1.2.1.3.1.1.3
        dstMac: 1.3.6.1.2.1.3.1.1.2

Environment

HertzBeat version(s):1.6.1

Debug logs

No response

Anything else?

No response