create sub-interfaces Ge3 100 dot1q 100 exact-match
set interface ip address Ge3.100 10.0.1.1/24
delete sub-interface Ge3.100
create sub-interfaces Ge3 100 dot1q 100 exact-match
set interface ip address Ge3.100 10.0.1.1/24
 
Actual:
Last command is failed with message: "set interface ip address: Prefix 10.0.1.1/24 already found on interface Ge3.100"
but
vpp# show interface addr
Ge3 (up):
  L3 192.169.0.1/24
Ge3.100 (up):
 
Expected:
delete sub-interface Ge3.100 will delete sub-interface ip address and no error on last command