[ 1243.252904][T11145] netdevsim netdevsim580 eni580np1: renamed from eth1
[ 1243.257970][T11146] netdevsim netdevsim437 eni437np1: renamed from eth0
[ 1246.637622][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1246.638400][T11138] Could not find netns with fd: 2000
[ 1246.638959][T11138] Cannot link a netdevsim to itself
[ 1246.639659][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).