[ 1262.334686][T12920] netdevsim netdevsim480 eni480np1: renamed from eth0
[ 1262.442666][T12919] netdevsim netdevsim720 eni720np1: renamed from eth1
[ 1264.998146][T12908] Could not find device with ifindex 2000 in netnsfd 11
[ 1264.999866][T12908] Could not find netns with fd: 2000
[ 1265.000910][T12908] Cannot link a netdevsim to itself
[ 1265.001963][T12908] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).