not update the mld-host-compat timer when an MLDv2 General Query is received in mldv1-compat-mode
not update the mld-host-compat timer when an MLDv2 General Query is received
in mldv1-compat-mode

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame