socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r0=>0xffffffffffffffff})
ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000140)={'wlan0\x00', &(0x7f0000000100)=@ethtool_channels={0x3c}})