Using the supposedly optional name keywork appears to resolve this problem:
$ sudo ip link add name tap14e33126-b6 type veth peer name qg-14e33126-b6 netns qrouter-0fb14595-c1ea-4c14-84d7-a05c88afcb08
Using the supposedly optional name keywork appears to resolve this problem:
$ sudo ip link add name tap14e33126-b6 type veth peer name qg-14e33126-b6 netns qrouter- 0fb14595- c1ea-4c14- 84d7-a05c88afcb 08