[  482.983498] netdevsim netdevsim320 eni320np1: renamed from eth0
[  482.984079] netdevsim netdevsim544 eni544np1: renamed from eth1
[  483.065186] Could not find device with ifindex 2000 in netnsfd 11
[  483.065277] Could not find netns with fd: 2000
[  483.065321] Cannot link a netdevsim to itself
[  483.065373] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).