[ 1068.955364][T12756] netdevsim netdevsim672 eni672np1: renamed from eth1
[ 1069.056237][T12757] netdevsim netdevsim431 eni431np1: renamed from eth0
[ 1071.046791][T12749] Could not find device with ifindex 2000 in netnsfd 11
[ 1071.047901][T12749] Could not find netns with fd: 2000
[ 1071.048603][T12749] Cannot link a netdevsim to itself
[ 1071.049426][T12749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).