SRX3600: chassis cluster control interfces em0 input error

Hi everyone,

SRX3600 firewall chasis cluster,version 12.1X46-D45.4. Through command" show interfaces em* extensive no-forwarding" find control interface em0 error.

Physical interface: em0, Enabled, Physical link is Up
  Interface index: 2, SNMP ifIndex: 17, Generation: 1
  Type: Ethernet, Link-level type: Ethernet, MTU: 1514, Clocking: Unspecified, Speed: 1000mbps
  Device flags   : Present Running
  Interface flags: SNMP-Traps
  Link type      : Full-Duplex
  Physical info  : Unspecified
  Hold-times     : Up 0 ms, Down 0 ms
  Current address: 02:00:00:01:00:04, Hardware address: 02:00:00:01:00:04
  Alternate link address: Unspecified
  Last flapped   : 2016-03-20 00:18:53 CST (24w2d 16:15 ago)
  Statistics last cleared: Never
  Traffic statistics:
   Input  bytes  :         392905783801
   Output bytes  :         586279668854
   Input  packets:           3121796488
   Output packets:           3068039098
   IPv6 transit statistics:
    Input  bytes  :                   0
    Output bytes  :                   0
    Input  packets:                   0
    Output packets:                   0
  Input errors:
    Errors: 114, Drops: 0, Framing errors: 0, Runts: 0, Giants: 0, Policed discards: 0, Resource errors: 0
  Output errors:
    Carrier transitions: 2, Errors: 0, Drops: 0, MTU errors: 0, Resource errors: 0

so far, HA status is normal, Input error is very slow increase. why ?

Has anyone ever been in this situation? At present, there is more than one such error in the network.

Thanks.