[ 1234.134806][T12611] netdevsim netdevsim472 eni472np1: renamed from eth0
[ 1234.139896][T12612] netdevsim netdevsim654 eni654np1: renamed from eth1
[ 1236.848084][T12598] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.849700][T12598] Could not find netns with fd: 2000
[ 1236.850902][T12598] Cannot link a netdevsim to itself
[ 1236.852059][T12598] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).