[  682.901952][T14560] netdevsim netdevsim283 eni283np1: renamed from eth0
[  682.911815][T14563] netdevsim netdevsim572 eni572np1: renamed from eth1
[  683.245223][T14548] Could not find device with ifindex 2000 in netnsfd 11
[  683.245463][T14548] Could not find netns with fd: 2000
[  683.245626][T14548] Cannot link a netdevsim to itself
[  683.245846][T14548] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).