r0 = socket$inet6_udp(0xa, 0x2, 0x0)
sendmmsg$inet6(r0, &(0x7f0000004480)=[{{&(0x7f0000000240)={0xa, 0x4e21, 0x0, @ipv4={'\x00', '\xff\xff', @remote}}, 0x1c, 0x0}}, {{&(0x7f00000005c0)={0xa, 0x4e24, 0x0, @local}, 0x1c, 0x0, 0x0, &(0x7f0000000900)=[@tclass={{0x14, 0x29, 0x43, 0x400}}], 0x18}}], 0x2, 0x0)