r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000200)={'wlan1\x00', 0x0}) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000240)={@empty, @mcast2, @ipv4={'\x00', '\xff\xff', @private}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000002, r2})