r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000600)={0xa, 0x0, 0x0, @local, 0x3}, 0x1c)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0)
sendmmsg$inet6(r0, &(0x7f0000001340)=[{{0x0, 0x0, &(0x7f0000000380)=[{&(0x7f0000000000)="9e", 0x1}], 0x1}}], 0x1, 0x811)