[  810.502263][T15813] netdevsim netdevsim505 eni505np1: renamed from eth0
[  810.522399][T15815] netdevsim netdevsim755 eni755np1: renamed from eth1
[  811.149222][T15801] Could not find device with ifindex 2000 in netnsfd 11
[  811.149863][T15801] Could not find netns with fd: 2000
[  811.150338][T15801] Cannot link a netdevsim to itself
[  811.150849][T15801] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).