[  485.118016] netdevsim netdevsim341 eni341np1: renamed from eth0
[  485.219439] netdevsim netdevsim747 eni747np1: renamed from eth1
[  485.601956] Could not find device with ifindex 2000 in netnsfd 11
[  485.602130] Could not find netns with fd: 2000
[  485.602225] Cannot link a netdevsim to itself
[  485.602350] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).