SELinux is preventing rngd from accessing /dev/ttyUSB0

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Issue

SELinux is preventing rngd from accessing /dev/ttyUSB0
SELinux forbids rngd to read hardware random generator
After update to RHEL 7.4, rngd is unable to access /dev/ttyUSB0

Environment

RHEL 7.4
rng-tools-5-11.el7
selinux-policy-3.13.1-166.el7_4.4

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