missing 38 keys and having 2 unexpected keys

[huitang0404]

Restored from ./ckpt/v2-1_512-ema-pruned.ckpt with 38 missing and 2 unexpected keys
Missing Keys:
['logvar', 'C_inv', 'target_input', 'model.diffusion_model.input_blocks.1.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.input_blocks.1.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.input_blocks.2.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.input_blocks.2.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.input_blocks.4.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.input_blocks.4.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.input_blocks.5.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.input_blocks.5.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.input_blocks.7.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.input_blocks.7.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.input_blocks.8.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.input_blocks.8.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.middle_block.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.middle_block.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.output_blocks.3.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.output_blocks.3.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.output_blocks.4.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.output_blocks.4.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.output_blocks.5.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.output_blocks.5.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.output_blocks.6.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.output_blocks.6.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.output_blocks.7.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.output_blocks.7.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.output_blocks.8.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.output_blocks.8.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.output_blocks.9.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.output_blocks.9.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.output_blocks.10.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.output_blocks.10.1.transformer_blocks.0.attn2.to_v.target_output', 'model.diffusion_model.output_blocks.11.1.transformer_blocks.0.attn2.to_k.target_output', 'model.diffusion_model.output_blocks.11.1.transformer_blocks.0.attn2.to_v.target_output', 'embedding_manager.string_to_param_dict.', 'embedding_manager.initial_embeddings.', 'embedding_manager.get_embedding_for_tkn.weight']

Unexpected Keys:
['model_ema.decay', 'model_ema.num_updates']

DO I have to worry about it?