[ 1240.123126][T11134] netdevsim netdevsim426 eni426np1: renamed from eth0
[ 1240.225162][T11133] netdevsim netdevsim571 eni571np1: renamed from eth1
[ 1243.616482][T11126] Could not find device with ifindex 2000 in netnsfd 11
[ 1243.617368][T11126] Could not find netns with fd: 2000
[ 1243.617996][T11126] Cannot link a netdevsim to itself
[ 1243.618734][T11126] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).