with cisco and juniper both issuing warning to people using ipv6 is mikrotik affected by this cve?
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160525-ipv6
http://www.theregister.co.uk/2016/06/08/juniper_yes_ipv6_pingofdeath_hits_junos_os_too/?mt=1465428767300