What is confusing to me is that I also get:

$ dpkg -l | grep wireshark
ii libwireshark-data 2.2.0+g5368c50-1 all network packet dissection library -- data files
ii libwireshark8:i386 2.2.0+g5368c50-1 i386 network packet dissection library -- shared library
ii wireshark 2.2.0+g5368c50-1 i386 network traffic analyzer - meta-package
ii wireshark-common 2.2.0+g5368c50-1 i386 network traffic analyzer - common files
ii wireshark-gtk 2.2.0+g5368c50-1 i386 network traffic analyzer - GTK+ version