r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x1c)
setsockopt$inet6_udp_int(r0, 0x11, 0x1, &(0x7f00000054c0)=0x1ff, 0x4)
sendmmsg$sock(r0, &(0x7f0000000280)=[{{0x0, 0x0, 0x0}}, {{&(0x7f0000000000)=@in={0x2, 0x0, @loopback}, 0x80, 0x0}}], 0x2, 0x0)