[ 1243.490102][T11148] netdevsim netdevsim263 eni263np1: renamed from eth0
[ 1243.515970][T11149] netdevsim netdevsim559 eni559np1: renamed from eth1
[ 1246.969722][T11140] Could not find device with ifindex 2000 in netnsfd 11
[ 1246.970431][T11140] Could not find netns with fd: 2000
[ 1246.970989][T11140] Cannot link a netdevsim to itself
[ 1246.971692][T11140] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).