[ 1236.250741][T11146] netdevsim netdevsim462 eni462np1: renamed from eth0
[ 1236.276355][T11144] netdevsim netdevsim756 eni756np1: renamed from eth1
[ 1239.600046][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.600822][T11138] Could not find netns with fd: 2000
[ 1239.601412][T11138] Cannot link a netdevsim to itself
[ 1239.602404][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).