[  487.723784] netdevsim netdevsim417 eni417np1: renamed from eth0
[  487.820213] netdevsim netdevsim532 eni532np1: renamed from eth1
[  488.035243] Could not find device with ifindex 2000 in netnsfd 11
[  488.035506] Could not find netns with fd: 2000
[  488.035589] Cannot link a netdevsim to itself
[  488.035708] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).