Everytime I try to install devstack I am facing this same error. Can anyone please suggest some possible workarounds for this issue?
ERROR: Links are not allowed as constraints
+lib/tempest:install_tempest:1 exit_trap
+./stack.sh:exit_trap:491 local r=1
++./stack.sh:exit_trap:492 jobs -p
+./stack.sh:exit_trap:492 jobs=
+./stack.sh:exit_trap:495 [[ -n '' ]]
+./stack.sh:exit_trap:501 '[' -f '' ']'
+./stack.sh:exit_trap:506 kill_spinner
+./stack.sh:kill_spinner:401 '[' '!' -z '' ']'
+./stack.sh:exit_trap:508 [[ 1 -ne 0 ]]
+./stack.sh:exit_trap:509 echo 'Error on exit'
Error on exit
+./stack.sh:exit_trap:511 type -p generate-subunit
+./stack.sh:exit_trap:512 generate-subunit 1610881819 136 fail
+./stack.sh:exit_trap:514 [[ -z /opt/stack/logs ]]
+./stack.sh:exit_trap:517 /usr/bin/python3.8 /home/saptarsi/devstack/tools /worlddump.py -d /opt/stack/logs
World dumping... see /opt/stack/logs/worlddump-2021-01-17-111235.txt for details +./stack.sh:exit_trap:526 exit 1