[ 1048.569474][T12776] netdevsim netdevsim749 eni749np1: renamed from eth1
[ 1048.667066][T12779] netdevsim netdevsim425 eni425np1: renamed from eth0
[ 1050.548796][T12771] Could not find device with ifindex 2000 in netnsfd 11
[ 1050.550294][T12771] Could not find netns with fd: 2000
[ 1050.551421][T12771] Cannot link a netdevsim to itself
[ 1050.552715][T12771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).