[  515.371056] netdevsim netdevsim633 eni633np1: renamed from eth1
[  515.469139] netdevsim netdevsim289 eni289np1: renamed from eth0
[  515.671634] Could not find device with ifindex 2000 in netnsfd 11
[  515.671841] Could not find netns with fd: 2000
[  515.671928] Cannot link a netdevsim to itself
[  515.672028] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).