console messages

Hello, Ever since installing 7.1, I have had these messages immediately after booting. Could anyone tell me how to get rid of them and why they are appearing? May 15 21:55:56 linux modprobe: modprobe: Can't locate module mousedev May 15 21:55:56 linux modprobe: modprobe: Can't locate module usb-ohci May 15 21:55:57 linux modprobe: modprobe: Can't locate module keybdev May 15 21:55:58 linux kernel: ip_conntrack (2048 buckets, 16384 max) USB keyboard, USB mouse and USB in general works fine. Thank you Joss -- http://www.josswinn.org