[  516.650264] netdevsim netdevsim404 eni404np1: renamed from eth0
[  516.747894] netdevsim netdevsim526 eni526np1: renamed from eth1
[  516.950883] Could not find device with ifindex 2000 in netnsfd 11
[  516.951119] Could not find netns with fd: 2000
[  516.951225] Cannot link a netdevsim to itself
[  516.951354] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).