[ 1223.267619][T11133] netdevsim netdevsim742 eni742np1: renamed from eth1
[ 1223.276072][T11134] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1226.477198][T11126] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.478014][T11126] Could not find netns with fd: 2000
[ 1226.478624][T11126] Cannot link a netdevsim to itself
[ 1226.479290][T11126] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).