[ 1194.016087][T12609] netdevsim netdevsim633 eni633np1: renamed from eth1
[ 1194.072459][T12611] netdevsim netdevsim289 eni289np1: renamed from eth0
[ 1196.777869][T12604] Could not find device with ifindex 2000 in netnsfd 11
[ 1196.779028][T12604] Could not find netns with fd: 2000
[ 1196.779969][T12604] Cannot link a netdevsim to itself
[ 1196.781036][T12604] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).