[ 1250.082066][T11143] netdevsim netdevsim339 eni339np1: renamed from eth0
[ 1250.092126][T11141] netdevsim netdevsim570 eni570np1: renamed from eth1
[ 1253.374830][T11135] Could not find device with ifindex 2000 in netnsfd 11
[ 1253.375563][T11135] Could not find netns with fd: 2000
[ 1253.376131][T11135] Cannot link a netdevsim to itself
[ 1253.376849][T11135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).