Concurrent execution of 'solana program dump' damages dump-file's data

[ivandzen]

Bug oftenly occurs when very first client connection is going to be handled by proxy. Error description from logs:
2021-11-19 13:14:24,771 - pid:61 [D] call:35 - Calling: neon-cli --commitment=recent --url http://solana:8899 --evm_loader=53DfF883gyixYNXnM7s5xhdeyV8mVk9T4i2hGV9vG9io neon-elf-params ./evm_loader.dump thread 'main' panicked at 'Unable to parse ELF file: Scroll(BadOffset(0))', cli/src/main.rs:1176:53