[  476.061219] netdevsim netdevsim441 eni441np1: renamed from eth0
[  476.163037] netdevsim netdevsim549 eni549np1: renamed from eth1
[  476.465511] Could not find device with ifindex 2000 in netnsfd 11
[  476.465627] Could not find netns with fd: 2000
[  476.465705] Cannot link a netdevsim to itself
[  476.465789] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).