[ 1254.220067][T13065] netdevsim netdevsim538 eni538np1: renamed from eth1
[ 1254.322892][T13066] netdevsim netdevsim323 eni323np1: renamed from eth0
[ 1257.017131][T13053] Could not find device with ifindex 2000 in netnsfd 11
[ 1257.018751][T13053] Could not find netns with fd: 2000
[ 1257.019885][T13053] Cannot link a netdevsim to itself
[ 1257.021771][T13053] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).