[ 1237.140636][T12680] netdevsim netdevsim276 eni276np1: renamed from eth0
[ 1237.144910][T12677] netdevsim netdevsim684 eni684np1: renamed from eth1
[ 1239.809883][T12668] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.811717][T12668] Could not find netns with fd: 2000
[ 1239.813106][T12668] Cannot link a netdevsim to itself
[ 1239.815004][T12668] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).