[  493.547603] netdevsim netdevsim501 eni501np1: renamed from eth0
[  493.643020] netdevsim netdevsim695 eni695np1: renamed from eth1
[  493.881653] Could not find device with ifindex 2000 in netnsfd 11
[  493.881959] Could not find netns with fd: 2000
[  493.882037] Cannot link a netdevsim to itself
[  493.882142] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).