fe03f7a37fd0ef05149161f6b95a25493e1fe38f

Opensuse tumbleweed

Steps to reproduce:

```
./test/functional/wallet_backup.py --descriptors
{__NR_getitimer, "getitimer"},
    {__NR_getpeername, "getpeername"},
    {__NR_getpgid, "getpgid"},
    {__NR_getpgrp, "getpgrp"},
    {__NR_getpid, "getpid"},
    {__NR_getpmsg, "getpmsg"},
    {__NR_getppid, "getppid"},
    {__NR_getpriority, "getpriority"},
    {__NR_getrandom, "getrandom"},
    {__NR_getresgid, "getresgid"},
    {__NR_getresuid, "getresuid"},
    {__NR_getrlimit, "getrlimit"},
    {__NR_getrusage, "getrusage"},
    {__NR_getsid, "getsid"},
    {__NR_getsockname, "getsockname"},
    {__NR_getsockopt, "getsockopt"},
    {__NR_gettid, "gettid"},
    {__NR_gettimeofday, "gettimeofday"},
    {__NR_getuid, "getuid"},
    {__NR_getxattr, "getxattr"},
    {__NR_init_module, "init_module"},
    {__NR_inotify_add_watch, "inotify_add_watch"},
    {__NR_inotify_init, "inotify_init"},
    {__NR_inotify_init1, "inotify_init1"},
    {__NR_inotify_rm_watch, "inotify_rm_watch"},
    {__NR_io_cancel, "io_cancel"},
    {__NR_io_destroy, "io_destroy"},
    {__NR_io_getevents, "io_getevents"},
    {__NR_io_setup, "io_setup"},
    {__NR_io_submit, "io_submit"},