[ 1245.692869][T12789] netdevsim netdevsim724 eni724np1: renamed from eth1
[ 1245.839078][T12790] netdevsim netdevsim371 eni371np1: renamed from eth0
[ 1248.572299][T12778] Could not find device with ifindex 2000 in netnsfd 11
[ 1248.573622][T12778] Could not find netns with fd: 2000
[ 1248.574567][T12778] Cannot link a netdevsim to itself
[ 1248.575682][T12778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).