[ 1030.667223][T12479] netdevsim netdevsim540 eni540np1: renamed from eth1
[ 1030.789957][T12480] netdevsim netdevsim382 eni382np1: renamed from eth0
[ 1032.663628][T12472] Could not find device with ifindex 2000 in netnsfd 11
[ 1032.664700][T12472] Could not find netns with fd: 2000
[ 1032.665503][T12472] Cannot link a netdevsim to itself
[ 1032.666367][T12472] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).