[ 1234.097655][T11139] netdevsim netdevsim571 eni571np1: renamed from eth1
[ 1234.120341][T11141] netdevsim netdevsim290 eni290np1: renamed from eth0
[ 1237.646018][T11133] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.647843][T11133] Could not find netns with fd: 2000
[ 1237.648477][T11133] Cannot link a netdevsim to itself
[ 1237.649169][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).