TShark 1.10.6 (v1.10.6 from master-1.10)
callflow version: 20120624-180
tshark: -R without -2 is deprecated. For single-pass filtering use -Y.
tshark: -R without -2 is deprecated. For single-pass filtering use -Y.
tshark: -R without -2 is deprecated. For single-pass filtering use -Y.
Things still work, but....
Added -2 argument
Thanks for reporting