Update python-pyroute2.ethtool to version 0.6.13 / rev 2 via SR 987195
    
    https://build.opensuse.org/request/show/987195
    by user dirkmueller + dimstar_suse
    - update to 0.6.13:
      * requests: IPv6 routes default priority
      * requests: fix wrong family on empty IP targets
      * ndb: fix NetlinkError escalation routine on apply
      * ndb: allow dict as keys in `__contains__`
      * ndb: fixed `count()` on nested views
      * ndb: fix IPv6 addr removal:
      * ifinfmsg: fixed IFLA_IPTUN_FLAGS:
      * tc: fix tcm_info setting:
      * ipdb: fix requests compatibility:
      * ipdb: added deprecation warning
      * ndb: fix DB reload on incomplete requests in the IPRoute API fallbacks:
      * ndb: basic ipvlan support
      * ndb: support `ndb.schema.backup("filename")` fro SQLite3 backend
      * ndb: transactions, CheckProcess, PingAddress, see `test_ndb/test_transaction.py` and docs
      * ndb: make snapshots only for `commit()` calls, no automatic snapshots for `apply()`
      * netlink: fi