[ 1019.368220][T12135] netdevsim netdevsim398 eni398np1: renamed from eth0
[ 1019.467323][T12075] netdevsim netdevsim534 eni534np1: renamed from eth1
[ 1021.247463][T12557] Could not find device with ifindex 2000 in netnsfd 11
[ 1021.248493][T12557] Could not find netns with fd: 2000
[ 1021.249202][T12557] Cannot link a netdevsim to itself
[ 1021.250084][T12557] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).