r0 = socket$inet6_udp(0xa, 0x2, 0x0) sendmmsg$inet6(r0, &(0x7f0000001d00)=[{{&(0x7f0000000080)={0xa, 0x4e21, 0x0, @empty}, 0x1c, 0x0, 0x0, &(0x7f00000000c0)=[@tclass={{0x14}}], 0x18}}], 0x1, 0x0)