r0 = socket$inet6_udp(0xa, 0x2, 0x0)
sendmmsg$inet6(r0, &(0x7f0000002500)=[{{&(0x7f0000001f00)={0xa, 0x4e21, 0x0, @loopback}, 0x1c, 0x0}}, {{&(0x7f00000021c0)={0xa, 0x4e21, 0x0, @rand_addr=' \x01\x00'}, 0x1c, 0x0, 0x0, &(0x7f0000002300)=ANY=[@ANYBLOB="10000000000000002900000036"], 0x18}}], 0x2, 0x0)