[ 1026.993775][T12143] netdevsim netdevsim491 eni491np1: renamed from eth0
[ 1027.086434][T12141] netdevsim netdevsim645 eni645np1: renamed from eth1
[ 1028.879398][T12733] Could not find device with ifindex 2000 in netnsfd 11
[ 1028.880391][T12733] Could not find netns with fd: 2000
[ 1028.881118][T12733] Cannot link a netdevsim to itself
[ 1028.881932][T12733] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).