r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback}, 0x1c)
sendmmsg$inet6(r0, &(0x7f0000001380)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000780)=[@dontfrag={{0x14}}], 0x18}}], 0x1, 0x0)