r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000100)={0xa, 0x4ea0, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c)
readv(r0, &(0x7f0000004f00)=[{&(0x7f0000002e00)=""/4096, 0x1000}], 0x1)
sendmmsg$inet6(r0, &(0x7f0000004d00), 0x2f, 0xa00)