[  526.998467] netdevsim netdevsim262 eni262np1: renamed from eth0
[  527.093624] netdevsim netdevsim571 eni571np1: renamed from eth1
[  527.449300] Could not find device with ifindex 2000 in netnsfd 11
[  527.449605] Could not find netns with fd: 2000
[  527.449726] Cannot link a netdevsim to itself
[  527.449872] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).