multiBTS-problem

hi all, the misdn driver is nice configured now(dmask=0x00020002, bmask=0x0000fffc,0xfffc0000), but i get the error message "could not bind l2 socket Invalid argument". the full output is: 2 devices found id: 0 Dprotocols: 00000018 Bprotocols: 0000000e protocol: 4 nrbchan: 14 name: hfc-e1.1-1 activate bchan activate bchan 2 devices found id: 1 Dprotocols: 00000018 Bprotocols: 0000000e protocol: 4 nrbchan: 14 name: hfc-e1.1-2 could not bind l2 socket Invalid argument bts1 (connected to the pc) is configured port 0 ts 1 tei 25 in multidrop config bts2 is configured port 1 ts 6 tei 26 in line config any ideas? -- Wer Rechtschreibfehler findet, darf sie behalten!