/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/system/ is in golang-github-opencontainers-runc-dev 0.0.8+dfsg-2.
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/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/system/linux.go
/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/system/proc.go
/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/system/setns_linux.go
/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/system/syscall_linux_386.go
/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/system/syscall_linux_64.go
/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/system/syscall_linux_arm.go
/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/system/sysconfig.go
/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/system/sysconfig_notcgo.go
/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/system/xattrs_linux.go