机器铃砍菜刀 - 知乎 https://www.zhihu.com/people/golangShare
https://www.ietf.org/rfc/rfc1442.txt https://www.ietf.org/rfc/rfc1442.txt
The OCTET STRING type represents arbitrary binary or textual
data. Although there is no SMI-specified size limitation for
this type, MIB designers should realize that there may be
implementation and interoperability limitations for sizes in
excess of 255 octets.
Octet string 解析 - HappyEDay - 博客园 https://www.cnblogs.com/HappyEDay/p/5504377.html