[  517.851415] netdevsim netdevsim602 eni602np1: renamed from eth1
[  517.947438] netdevsim netdevsim468 eni468np1: renamed from eth0
[  518.185853] Could not find device with ifindex 2000 in netnsfd 11
[  518.186044] Could not find netns with fd: 2000
[  518.186117] Cannot link a netdevsim to itself
[  518.186205] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).