[  490.011919] netdevsim netdevsim577 eni577np1: renamed from eth1
[  490.108171] netdevsim netdevsim376 eni376np1: renamed from eth0
[  490.310029] Could not find device with ifindex 2000 in netnsfd 11
[  490.310329] Could not find netns with fd: 2000
[  490.310413] Cannot link a netdevsim to itself
[  490.310509] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).