r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
r1 = dup2(r0, r0)
r2 = dup(r1)
sendmmsg$inet6(r2, &(0x7f0000005040)=[{{&(0x7f0000000100)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @remote}}, 0x1c, 0x0}}], 0x1, 0x20000044)
readv(r0, &(0x7f0000000140)=[{&(0x7f0000000000)=""/154, 0x9a}], 0x1)