Deadlock or abort in check_pf after calling getaddrinfo
Issue
- Process stuck in getaddrinfo()/make_request() forever.
- On RHEL 7 application aborted with error
"Unexpected error <number> on netlink descriptor <number>"
or
"Unexpected netlink response of size <number> on descriptor <number>".
Environment
- Red Hat Enterprise Linux (RHEL) 6.
- Red Hat Enterprise Linux (RHEL) 7.
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