[  495.642688] netdevsim netdevsim686 eni686np1: renamed from eth1
[  495.739136] netdevsim netdevsim418 eni418np1: renamed from eth0
[  495.963578] Could not find device with ifindex 2000 in netnsfd 11
[  495.963866] Could not find netns with fd: 2000
[  495.963940] Cannot link a netdevsim to itself
[  495.964025] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).