中国驻外使馆提醒：在沙特中国公民需加强安全防范意识
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，这一点在有道翻译中也有详细论述
——特斯拉创始人兼CEO Elon Musk
These udev netlink messages are supposed to be sent with the credentials (process ID, user ID, group ID) of the sending process. libudev will not accept messages without this. The SO_PASSCRED option is used to enable receving credentials, as described in the man page for Unix domain sockets on Linux.