[  485.147330] netdevsim netdevsim441 eni441np1: renamed from eth0
[  485.248947] netdevsim netdevsim678 eni678np1: renamed from eth1
[  485.593202] Could not find device with ifindex 2000 in netnsfd 11
[  485.593347] Could not find netns with fd: 2000
[  485.593428] Cannot link a netdevsim to itself
[  485.593525] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).