[  698.487723][T13054] netdevsim netdevsim303 eni303np1: renamed from eth0
[  698.505394][T13056] netdevsim netdevsim636 eni636np1: renamed from eth1
[  699.115680][T13042] Could not find device with ifindex 2000 in netnsfd 11
[  699.116588][T13042] Could not find netns with fd: 2000
[  699.116995][T13042] Cannot link a netdevsim to itself
[  699.117463][T13042] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).