[  722.460594][T13087] netdevsim netdevsim279 eni279np1: renamed from eth0
[  722.481581][T13089] netdevsim netdevsim535 eni535np1: renamed from eth1
[  723.084662][T13075] Could not find device with ifindex 2000 in netnsfd 11
[  723.085478][T13075] Could not find netns with fd: 2000
[  723.085842][T13075] Cannot link a netdevsim to itself
[  723.091012][T13075] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).