[  486.939841] netdevsim netdevsim718 eni718np1: renamed from eth1
[  487.036964] netdevsim netdevsim312 eni312np1: renamed from eth0
[  487.245858] Could not find device with ifindex 2000 in netnsfd 11
[  487.246121] Could not find netns with fd: 2000
[  487.246208] Cannot link a netdevsim to itself
[  487.246349] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).