[  488.376334] netdevsim netdevsim677 eni677np1: renamed from eth1
[  488.473490] netdevsim netdevsim283 eni283np1: renamed from eth0
[  488.698385] Could not find device with ifindex 2000 in netnsfd 11
[  488.698696] Could not find netns with fd: 2000
[  488.698800] Cannot link a netdevsim to itself
[  488.698905] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).