[  479.026946] netdevsim netdevsim498 eni498np1: renamed from eth0
[  479.027409] netdevsim netdevsim535 eni535np1: renamed from eth1
[  479.117699] Could not find device with ifindex 2000 in netnsfd 11
[  479.117856] Could not find netns with fd: 2000
[  479.117973] Cannot link a netdevsim to itself
[  479.118090] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).