[ 1233.887918][T12781] netdevsim netdevsim527 eni527np1: renamed from eth1
[ 1234.003646][T12782] netdevsim netdevsim417 eni417np1: renamed from eth0
[ 1236.307453][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.316729][T12775] Could not find netns with fd: 2000
[ 1236.317816][T12775] Cannot link a netdevsim to itself
[ 1236.318818][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).