[  474.680891] netdevsim netdevsim596 eni596np1: renamed from eth1
[  474.681427] netdevsim netdevsim458 eni458np1: renamed from eth0
[  474.759992] Could not find device with ifindex 2000 in netnsfd 11
[  474.760078] Could not find netns with fd: 2000
[  474.760123] Cannot link a netdevsim to itself
[  474.760178] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).