Drop autogenerated files and add more .gitignore entries

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Add comment about possible enhancement

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Use IP types instead of plain strings where possible

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Add expert info about skipped notify IP address

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Don't use show_exception directly

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>