[  749.088757][T14444] netdevsim netdevsim420 eni420np1: renamed from eth0
[  749.097405][T14446] netdevsim netdevsim651 eni651np1: renamed from eth1
[  749.680927][T14432] Could not find device with ifindex 2000 in netnsfd 11
[  749.681502][T14432] Could not find netns with fd: 2000
[  749.681865][T14432] Cannot link a netdevsim to itself
[  749.687500][T14432] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).