[  853.149020][T15803] netdevsim netdevsim273 eni273np1: renamed from eth0
[  853.163086][T15802] netdevsim netdevsim698 eni698np1: renamed from eth1
[  853.822042][T15789] Could not find device with ifindex 2000 in netnsfd 11
[  853.822740][T15789] Could not find netns with fd: 2000
[  853.823595][T15789] Cannot link a netdevsim to itself
[  853.824156][T15789] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).