IPv6 is growing up: I'm seeing a portsca ... / 2013-10-06

IPv6 is growing up: I'm seeing a portscan in my logs from an IPv6 address!

SRC=2001:0da8:0001:fffe:0000:0000:0000:0108 DST=2001:0980:14ca:0042:0000:0000:0000:0018 LEN=64 TC=0 HOPLIMIT=242 FLOWLBL=0 PROTO=TCP SPT=52537 DPT=110 WINDOW=1024 RES=0x00 SYN URGP=0
SRC=2001:0da8:0001:fffe:0000:0000:0000:0108 DST=2001:0980:14ca:0042:0000:0000:0000:0018 LEN=64 TC=0 HOPLIMIT=242 FLOWLBL=0 PROTO=TCP SPT=52537 DPT=135 WINDOW=1024 RES=0x00 SYN URGP=0
SRC=2001:0da8:0001:fffe:0000:0000:0000:0108 DST=2001:0980:14ca:0042:0000:0000:0000:0018 LEN=348 TC=0 HOPLIMIT=38 FLOWLBL=74565 PROTO=UDP SPT=57528 DPT=40408 LEN=308
sshd[5410]: Did not receive identification string from 2001:da8:1:fffe::108

Interesting source address:

inet6num:       2001:0DA8:0000::/40
netname:        CER2BKB6-CERNET2
descr:          ~{9z<RMxBgVPPD~}
descr:          CERNET2 Backbone Connection and Test Block
descr:          Beijing 100084, China

The scans were limited to 2 IPv6 addresses related to published services.