[  475.539336] netdevsim netdevsim344 eni344np1: renamed from eth0
[  475.539819] netdevsim netdevsim597 eni597np1: renamed from eth1
[  475.634000] Could not find device with ifindex 2000 in netnsfd 11
[  475.634090] Could not find netns with fd: 2000
[  475.634123] Cannot link a netdevsim to itself
[  475.634165] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).