[ 1291.790272][T13136] netdevsim netdevsim419 eni419np1: renamed from eth0
[ 1291.901070][T13135] netdevsim netdevsim517 eni517np1: renamed from eth1
[ 1294.540210][T13123] Could not find device with ifindex 2000 in netnsfd 11
[ 1294.542450][T13123] Could not find netns with fd: 2000
[ 1294.543364][T13123] Cannot link a netdevsim to itself
[ 1294.544467][T13123] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).