[  482.759271] netdevsim netdevsim457 eni457np1: renamed from eth0
[  482.860466] netdevsim netdevsim586 eni586np1: renamed from eth1
[  483.185449] Could not find device with ifindex 2000 in netnsfd 11
[  483.185601] Could not find netns with fd: 2000
[  483.185689] Cannot link a netdevsim to itself
[  483.185783] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).