socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000100)={'syz_tun\x00', &(0x7f0000000040)=@ethtool_gfeatures})