[  516.108601] netdevsim netdevsim707 eni707np1: renamed from eth1
[  516.206428] netdevsim netdevsim259 eni259np1: renamed from eth0
[  516.424416] Could not find device with ifindex 2000 in netnsfd 11
[  516.424633] Could not find netns with fd: 2000
[  516.424726] Cannot link a netdevsim to itself
[  516.424841] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).