Symptom
the clns error after proc restart isis
RP/0/RP0/CPU0:R1#RP/6/RP0/CPU0:Aug 11 11:59:03.554 : clns[171]: %ROUTING-CLNS-4-SEND_HELLO_PDU_TO_ISIS_FAIL : Failed to send Hello PDU(0xb30b1f6b) type P2P IIH (0x11) from interface TenGigE7/6/0/26.378(0xf6857c0) to ISIS instance VM-CEL-CRS: 'Subsystem(394)' detected the 'warning' condition 'Code(41)': Invalid argument
No function impact.