Mine

localhost bin # ffmpeg -vd '/dev/video0' http://localhost:8090/feed1.ffm
FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
  configuration:  --prefix=/usr --mandir=/usr/share/man --disable-static --enable-shared --cc=x86_64-pc-linux-gnu-gcc --disable-altivec --disable-debug --disable-opts --enable-mp3lame --enable-a52 --enable-dc1394 --enable-pthreads --enable-xvid --enable-libogg --enable-vorbis --enable-theora --enable-dts --enable-x264 --enable-faad --enable-faac --enable-amr_nb --enable-amr_wb --enable-gpl --enable-pp --disable-strip
  libavutil version: 49.0.0
  libavcodec version: 51.9.0
  libavformat version: 50.4.0
  built on Aug 13 2006 10:35:38, gcc: 3.4.4 (Gentoo 3.4.4-r1, ssp-3.4.4-1.0, pie-8.7.8)
127.0.0.1 - - [Sun Aug 13 10:46:04 2006] "GET /feed1.ffm HTTP/1.0" 200 4165
127.0.0.1 - - [Sun Aug 13 10:46:04 2006] "GET /feed1.ffm HTTP/1.0" 200 4165
[video4linux2 @ 0x2b14ff4ff040][4]Capabilities: 1070051
Could not find video grab device
127.0.0.1 - - [Sun Aug 13 10:46:05 2006] "POST /feed1.ffm HTTP/1.0" 200 0