r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(0xffffffffffffffff, 0x40505330, 0x0)
ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r0, 0x402c5342, &(0x7f0000000000)={0x0, 0x1, 'client0\x00', 0x0, "000076df9f61e52d", "39d5f8001eee4fdd73c81114f2faaa00"})