openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000140)={'syz_tun\x00', &(0x7f0000000180)=ANY=[@ANYBLOB="2600000080800008"]})