[  514.904826] netdevsim netdevsim536 eni536np1: renamed from eth1
[  515.002904] netdevsim netdevsim482 eni482np1: renamed from eth0
[  515.199964] Could not find device with ifindex 2000 in netnsfd 11
[  515.200123] Could not find netns with fd: 2000
[  515.200194] Cannot link a netdevsim to itself
[  515.200282] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).