[  522.692987] netdevsim netdevsim597 eni597np1: renamed from eth1
[  522.791075] netdevsim netdevsim492 eni492np1: renamed from eth0
[  523.024326] Could not find device with ifindex 2000 in netnsfd 11
[  523.024502] Could not find netns with fd: 2000
[  523.024585] Cannot link a netdevsim to itself
[  523.024685] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).