[  454.812774] netdevsim netdevsim441 eni441np1: renamed from eth0
[  454.813327] netdevsim netdevsim678 eni678np1: renamed from eth1
[  454.897866] Could not find device with ifindex 2000 in netnsfd 11
[  454.897973] Could not find netns with fd: 2000
[  454.898016] Cannot link a netdevsim to itself
[  454.898072] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).