[  482.314525] netdevsim netdevsim422 eni422np1: renamed from eth0
[  482.416515] netdevsim netdevsim581 eni581np1: renamed from eth1
[  482.737246] Could not find device with ifindex 2000 in netnsfd 11
[  482.737375] Could not find netns with fd: 2000
[  482.737455] Cannot link a netdevsim to itself
[  482.737543] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).