This reverts commit aa21e5a7c0. According to https://github.com/seccomp/libseccomp/issues/273 libseccomp v2.5.0 unintentionally refuses to allow multiple calls to seccomp_load, which is a regression. As a result, xwallpaper is inoperable: https://github.com/stoeckmann/xwallpaper/issues/23
aa21e5a7c0