[ 1029.125894][T12478] netdevsim netdevsim397 eni397np1: renamed from eth0
[ 1029.239795][T12477] netdevsim netdevsim636 eni636np1: renamed from eth1
[ 1031.179628][T12470] Could not find device with ifindex 2000 in netnsfd 11
[ 1031.181396][T12470] Could not find netns with fd: 2000
[ 1031.182517][T12470] Cannot link a netdevsim to itself
[ 1031.183830][T12470] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).