[ 1220.348319][T11145] netdevsim netdevsim581 eni581np1: renamed from eth1
[ 1220.454287][T11146] netdevsim netdevsim334 eni334np1: renamed from eth0
[ 1223.764355][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1223.765259][T11138] Could not find netns with fd: 2000
[ 1223.766188][T11138] Cannot link a netdevsim to itself
[ 1223.767247][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).