/etc/protocols is missing entries for IPv6 protocol numbers. These entries are required for IPv6. The entries needed are: ipv6 41 IPv6 # IPv6 ipv6-route 43 IPv6-Route # Routing Header for IPv6 ipv6-frag 44 IPv6-Frag # Fragment Header for IPv6 ipv6-crypt 50 IPv6-Crypt # Encryption Header for IPv6 ipv6-auth 51 IPv6-Auth # Authentication Header for IPv6 ipv6-icmp 58 IPv6-ICMP # ICMP for IPv6 ipv6-nonxt 59 IPv6-NoNxt # No Next Header for IPv6 ipv6-opts 60 IPv6-Opts # Destination Options for IPv6 These protocol numbers are documented at the Internet Assigned Numbers Authority (IANA): http://www.isi.edu/in-notes/iana/assignments/protocol-numbers
Fixed in setup-2.0.6-1.