r0 = socket$inet6_udp(0xa, 0x2, 0x0)
sendmmsg$inet6(r0, &(0x7f00000050c0)=[{{&(0x7f0000000180)={0xa, 0x4e24, 0x0, @loopback={0x0, 0x2}}, 0x1c, 0x0}}], 0x1, 0x0)