[ 1238.009188][T12617] netdevsim netdevsim337 eni337np1: renamed from eth0
[ 1238.118233][T12614] netdevsim netdevsim563 eni563np1: renamed from eth1
[ 1240.804773][T12605] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.805985][T12605] Could not find netns with fd: 2000
[ 1240.806904][T12605] Cannot link a netdevsim to itself
[ 1240.808040][T12605] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).