[ 1234.150205][T11141] netdevsim netdevsim485 eni485np1: renamed from eth0
[ 1234.203519][T11139] netdevsim netdevsim684 eni684np1: renamed from eth1
[ 1237.577391][T11133] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.578388][T11133] Could not find netns with fd: 2000
[ 1237.578979][T11133] Cannot link a netdevsim to itself
[ 1237.579670][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).