[ 1220.290109][T11139] netdevsim netdevsim525 eni525np1: renamed from eth1
[ 1220.371993][T11141] netdevsim netdevsim405 eni405np1: renamed from eth0
[ 1223.530033][T11133] Could not find device with ifindex 2000 in netnsfd 11
[ 1223.530721][T11133] Could not find netns with fd: 2000
[ 1223.531256][T11133] Cannot link a netdevsim to itself
[ 1223.531919][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).