[  457.328889] netdevsim netdevsim267 eni267np1: renamed from eth0
[  457.329598] netdevsim netdevsim599 eni599np1: renamed from eth1
[  457.438130] Could not find device with ifindex 2000 in netnsfd 11
[  457.438314] Could not find netns with fd: 2000
[  457.438422] Cannot link a netdevsim to itself
[  457.438543] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).