[  788.480865][T15639] netdevsim netdevsim334 eni334np1: renamed from eth0
[  788.489235][T15638] netdevsim netdevsim591 eni591np1: renamed from eth1
[  789.110728][T15626] Could not find device with ifindex 2000 in netnsfd 11
[  789.111232][T15626] Could not find netns with fd: 2000
[  789.111619][T15626] Cannot link a netdevsim to itself
[  789.112041][T15626] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).