[  788.676762][T15640] netdevsim netdevsim507 eni507np1: renamed from eth0
[  788.680472][T15641] netdevsim netdevsim594 eni594np1: renamed from eth1
[  789.307044][T15628] Could not find device with ifindex 2000 in netnsfd 11
[  789.308081][T15628] Could not find netns with fd: 2000
[  789.308582][T15628] Cannot link a netdevsim to itself
[  789.309118][T15628] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).