[   31.988629] usblp0: removed
[   34.218261] r8169: eth0: link up
[   34.218267] r8169: eth0: link up
[   44.364006] eth0: no IPv6 routers present
[ 1271.643568] __ratelimit: 6 callbacks suppressed
[ 1271.643571] Buffer I/O error on device sr0, logical block 0
[ 1271.643574] Buffer I/O error on device sr0, logical block 1
[ 1271.643576] Buffer I/O error on device sr0, logical block 2
[ 1271.643578] Buffer I/O error on device sr0, logical block 3
[ 1271.643579] Buffer I/O error on device sr0, logical block 4
[ 1271.643581] Buffer I/O error on device sr0, logical block 5
[ 1271.643583] Buffer I/O error on device sr0, logical block 6
[ 1271.643584] Buffer I/O error on device sr0, logical block 7
[ 1271.643586] Buffer I/O error on device sr0, logical block 8
[ 1271.643588] Buffer I/O error on device sr0, logical block 9