[ 1243.614534][T12618] netdevsim netdevsim267 eni267np1: renamed from eth0
[ 1243.751015][T12615] netdevsim netdevsim612 eni612np1: renamed from eth1
[ 1246.441543][T12607] Could not find device with ifindex 2000 in netnsfd 11
[ 1246.443596][T12607] Could not find netns with fd: 2000
[ 1246.445745][T12607] Cannot link a netdevsim to itself
[ 1246.447504][T12607] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).