[  450.189816] netdevsim netdevsim488 eni488np1: renamed from eth0
[  450.285334] netdevsim netdevsim539 eni539np1: renamed from eth1
[  450.515841] Could not find device with ifindex 2000 in netnsfd 11
[  450.516281] Could not find netns with fd: 2000
[  450.516434] Cannot link a netdevsim to itself
[  450.516592] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).