[ 1228.203077][T12780] netdevsim netdevsim480 eni480np1: renamed from eth0
[ 1228.206861][T12776] netdevsim netdevsim619 eni619np1: renamed from eth1
[ 1230.931807][T12772] Could not find device with ifindex 2000 in netnsfd 11
[ 1230.932956][T12772] Could not find netns with fd: 2000
[ 1230.933915][T12772] Cannot link a netdevsim to itself
[ 1230.935016][T12772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).