[ 1219.544917][T12777] netdevsim netdevsim272 eni272np1: renamed from eth0
[ 1219.662390][T12774] netdevsim netdevsim653 eni653np1: renamed from eth1
[ 1222.090249][T12769] Could not find device with ifindex 2000 in netnsfd 11
[ 1222.091332][T12769] Could not find netns with fd: 2000
[ 1222.092134][T12769] Cannot link a netdevsim to itself
[ 1222.093166][T12769] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).