[  485.007106] netdevsim netdevsim458 eni458np1: renamed from eth0
[  485.007358] netdevsim netdevsim609 eni609np1: renamed from eth1
[  485.105535] Could not find device with ifindex 2000 in netnsfd 11
[  485.105633] Could not find netns with fd: 2000
[  485.105676] Cannot link a netdevsim to itself
[  485.105728] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).