[ 1229.339326][T12618] netdevsim netdevsim349 eni349np1: renamed from eth0
[ 1229.430769][T12616] netdevsim netdevsim616 eni616np1: renamed from eth1
[ 1232.056341][T12607] Could not find device with ifindex 2000 in netnsfd 11
[ 1232.058255][T12607] Could not find netns with fd: 2000
[ 1232.059732][T12607] Cannot link a netdevsim to itself
[ 1232.061573][T12607] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).