[  485.079168] netdevsim netdevsim268 eni268np1: renamed from eth0
[  485.176393] netdevsim netdevsim546 eni546np1: renamed from eth1
[  485.379472] Could not find device with ifindex 2000 in netnsfd 11
[  485.379766] Could not find netns with fd: 2000
[  485.379841] Cannot link a netdevsim to itself
[  485.379929] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).