[ 1022.557535][T12478] netdevsim netdevsim459 eni459np1: renamed from eth0
[ 1022.560134][T12477] netdevsim netdevsim624 eni624np1: renamed from eth1
[ 1024.446977][T12470] Could not find device with ifindex 2000 in netnsfd 11
[ 1024.448169][T12470] Could not find netns with fd: 2000
[ 1024.449196][T12470] Cannot link a netdevsim to itself
[ 1024.450161][T12470] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).