r0 = socket$inet6_udp(0xa, 0x2, 0x0)
sendmmsg$inet6(r0, &(0x7f0000000c80)=[{{&(0x7f0000000340)={0xa, 0x4e24, 0x0, @local}, 0x1c, 0x0}}, {{&(0x7f00000004c0)={0xa, 0x4e23, 0x0, @ipv4={'\x00', '\xff\xff', @loopback}}, 0x1c, 0x0, 0x0, &(0x7f0000000700)=[@pktinfo={{0x24, 0x29, 0x32, {@empty}}}], 0x28}}], 0x2, 0x0)