[  475.557447] netdevsim netdevsim505 eni505np1: renamed from eth0
[  475.558079] netdevsim netdevsim654 eni654np1: renamed from eth1
[  475.642545] Could not find device with ifindex 2000 in netnsfd 11
[  475.642631] Could not find netns with fd: 2000
[  475.642673] Cannot link a netdevsim to itself
[  475.642724] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).