[ 1239.004643][T12794] netdevsim netdevsim401 eni401np1: renamed from eth0
[ 1239.127985][T12791] netdevsim netdevsim532 eni532np1: renamed from eth1
[ 1241.742243][T12783] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.743970][T12783] Could not find netns with fd: 2000
[ 1241.744871][T12783] Cannot link a netdevsim to itself
[ 1241.746030][T12783] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).