fe03f7a37fd0ef05149161f6b95a25493e1fe38f

Opensuse tumbleweed

Steps to reproduce:

```
./test/functional/wallet_backup.py --descriptors
{__NR_putpmsg, "putpmsg"},
    {__NR_pwrite64, "pwrite64"},
    {__NR_pwritev, "pwritev"},
#ifdef __NR_pwritev2
    {__NR_pwritev2, "pwritev2"},
#endif
    {__NR__sysctl, "_sysctl"},
    {__NR_query_module, "query_module"},
    {__NR_quotactl, "quotactl"},
    {__NR_read, "read"},
    {__NR_readahead, "readahead"},
    {__NR_readlink, "readlink"},
    {__NR_readlinkat, "readlinkat"},
    {__NR_readv, "readv"},
    {__NR_reboot, "reboot"},
    {__NR_recvfrom, "recvfrom"},
    {__NR_recvmmsg, "recvmmsg"},
    {__NR_recvmsg, "recvmsg"},
    {__NR_remap_file_pages, "remap_file_pages"},
    {__NR_removexattr, "removexattr"},
    {__NR_rename, "rename"},
    {__NR_renameat, "renameat"},
    {__NR_renameat2, "renameat2"},
    {__NR_request_key, "request_key"},
    {__NR_restart_syscall, "restart_syscall"},
    {__NR_rmdir, "rmdir"},
    {__NR_rt_sigaction, "rt_sigaction"},
    {__NR_rt_sigpending, "rt_sigpending"},
    {__NR_rt_sigprocmask, "rt_sigprocmask"},
    {__NR_rt_sigqueueinfo, "rt_sigqueueinfo"},