[  490.805478] netdevsim netdevsim459 eni459np1: renamed from eth0
[  490.902761] netdevsim netdevsim607 eni607np1: renamed from eth1
[  491.120717] Could not find device with ifindex 2000 in netnsfd 11
[  491.120925] Could not find netns with fd: 2000
[  491.121010] Cannot link a netdevsim to itself
[  491.121108] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).