r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000600)={0xa, 0x0, 0x0, @dev, 0x3}, 0x1c) sendmmsg$inet6(r0, &(0x7f0000004d00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, 0x0)