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https://rhn.redhat.com/errata/RHBA-2015-0458.html
Description of problem: Sometimes when running docker build, AVC denial type=AVC msg=audit(1403853327.352:480): avc: denied { mknod } for pid=2832 comm="mknod" capability=27 scontext=system_u:system_r:svirt_lxc_net_t:s0:c420,c758 tcontext=system_u:system_r:svirt_lxc_net_t:s0:c420,c758 tclass=capability is logged. Version-Release number of selected component (if applicable): docker-0.11.1-19.el7.x86_64 selinux-policy-targeted-3.12.1-153.el7.noarch How reproducible: Not deterministic. Steps to Reproduce: 1. Run docker build for some Dockerfile. 2. Observe audit.log. Actual results: type=SYSCALL msg=audit(1403854285.106:579): arch=c000003e syscall=133 success=no exit=-1 a0=7fffae76abd7 a1=21b6 a2=10b a3=7fffae769130 items=0 ppid=5489 pid=77 78 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="mknod" exe="/usr/bin/mknod" subj=system_u:system_r:sv irt_lxc_net_t:s0:c31,c293 key=(null) type=AVC msg=audit(1403854285.107:580): avc: denied { mknod } for pid=7779 comm="mknod" capability=27 scontext=system_u:system_r:svirt_lxc_net_t:s0:c31,c293 tcontext=system_u:system_r:svirt_lxc_net_t:s0:c31,c293 tclass=capability Expected results: No AVC denial. Additional info: I also saw it on Fedora 20 with docker-io-1.0.0-4.fc20.x86_64.