[BUG] replace-on-update rollback failed.

[Ali-aqrabawi]

if the update failed in startcmd where replace-on-update is used, the rollback fail, and the item get's deleted:

(+) change request received:
<tc-filters xmlns="urn:okda:iproute2:tc:filter" xmlns:yang="urn:ietf:params:xml:ns:yang:1" yang:operation="none">
  <shared-block-filter yang:operation="none">
    <block>1000</block>
    <netns>1</netns>
    <rule yang:operation="none">
      <pref>10</pref>
      <flower yang:operation="none">
        <match yang:operation="none">
          <skip_sw yang:operation="create">true</skip_sw>
        </match>
      </flower>
    </rule>
  </shared-block-filter>
</tc-filters>
ip_sr_config_change_cb_apply: executing command: tc filter del block 1000 pref 10 
ip_sr_config_change_cb_apply: executing command: tc filter replace block 1000 pref 10 protocol ip handle 0x1 flower skip_sw dst_ip 192.168.1.1/32 action drop 
RTNETLINK answers: Operation not supported
We have an error talking to the kernel
ip_sr_config_change_cb_apply: iproute2 command failed, cmd = tc filter replace block 1000 pref 10 protocol ip handle 0x1 flower skip_sw dst_ip 192.168.1.1/32 action drop 
ip_sr_config_change_cb_apply: executing rollback cmd: tc filter del block 1000 pref 10 
RTNETLINK answers: No such file or directory
We have an error talking to the kernel

[Ali-aqrabawi]

another example:

(+) change request received:
<tc-filters xmlns="urn:okda:iproute2:tc:filter" xmlns:yang="urn:ietf:params:xml:ns:yang:1" yang:operation="none">
  <shared-block-filter yang:operation="none">
    <block>1000</block>
    <netns>1</netns>
    <rule yang:operation="none">
      <pref>10</pref>
      <flower yang:operation="none">
        <match yang:operation="none">
          <skip_sw yang:operation="create">true</skip_sw>
        </match>
      </flower>
    </rule>
  </shared-block-filter>
</tc-filters>
ip_sr_config_change_cb_apply: executing command: tc filter del block 1000 pref 10 
ip_sr_config_change_cb_apply: executing command: tc filter add block 1000 pref 10 protocol ip handle 0x1 flower skip_sw dst_ip 192.168.1.1/32 action drop 
RTNETLINK answers: Operation not supported
We have an error talking to the kernel
ip_sr_config_change_cb_apply: iproute2 command failed, cmd = tc filter add block 1000 pref 10 protocol ip handle 0x1 flower skip_sw dst_ip 192.168.1.1/32 action drop 
ip_sr_config_change_cb_apply: executing rollback cmd: tc filter del block 1000 pref 10 
RTNETLINK answers: No such file or directory
We have an error talking to the kernel
[ERR] User callback failed