[ 1323.578630][T12052] netdevsim netdevsim336 eni336np1: renamed from eth0
[ 1323.601455][T12054] netdevsim netdevsim749 eni749np1: renamed from eth1
[ 1327.252334][T12044] Could not find device with ifindex 2000 in netnsfd 11
[ 1327.253063][T12044] Could not find netns with fd: 2000
[ 1327.253641][T12044] Cannot link a netdevsim to itself
[ 1327.255314][T12044] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).