[ 1289.341774][T13024] netdevsim netdevsim309 eni309np1: renamed from eth0
[ 1289.402147][T13021] netdevsim netdevsim645 eni645np1: renamed from eth1
[ 1292.111447][T13011] Could not find device with ifindex 2000 in netnsfd 11
[ 1292.115243][T13011] Could not find netns with fd: 2000
[ 1292.117375][T13011] Cannot link a netdevsim to itself
[ 1292.119116][T13011] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).