[  481.839932] netdevsim netdevsim281 eni281np1: renamed from eth0
[  481.941278] netdevsim netdevsim724 eni724np1: renamed from eth1
[  482.342111] Could not find device with ifindex 2000 in netnsfd 11
[  482.342320] Could not find netns with fd: 2000
[  482.342438] Cannot link a netdevsim to itself
[  482.342566] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).