[  853.126726][T15763] netdevsim netdevsim299 eni299np1: renamed from eth0
[  853.164855][T15762] netdevsim netdevsim757 eni757np1: renamed from eth1
[  853.876257][T15750] Could not find device with ifindex 2000 in netnsfd 11
[  853.877715][T15750] Could not find netns with fd: 2000
[  853.878324][T15750] Cannot link a netdevsim to itself
[  853.879126][T15750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).