r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000040)={{0x2, 0x0, @dev}, {0x6, @random="41fd5fbee952"}, 0x18, {0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, 'syz_tun\x00'})