[  488.816046] netdevsim netdevsim513 eni513np1: renamed from eth1
[  488.912046] netdevsim netdevsim275 eni275np1: renamed from eth0
[  489.141380] Could not find device with ifindex 2000 in netnsfd 11
[  489.141664] Could not find netns with fd: 2000
[  489.141744] Cannot link a netdevsim to itself
[  489.141842] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).