[  698.319167][T13034] netdevsim netdevsim337 eni337np1: renamed from eth0
[  698.347142][T13036] netdevsim netdevsim563 eni563np1: renamed from eth1
[  699.018637][T13021] Could not find device with ifindex 2000 in netnsfd 11
[  699.019746][T13021] Could not find netns with fd: 2000
[  699.020196][T13021] Cannot link a netdevsim to itself
[  699.020699][T13021] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).