[ 1250.780257][T11151] netdevsim netdevsim514 eni514np1: renamed from eth1
[ 1250.791430][T11152] netdevsim netdevsim314 eni314np1: renamed from eth0
[ 1254.207180][T11144] Could not find device with ifindex 2000 in netnsfd 11
[ 1254.207962][T11144] Could not find netns with fd: 2000
[ 1254.208546][T11144] Cannot link a netdevsim to itself
[ 1254.209256][T11144] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).