[ 1191.133200][T12782] netdevsim netdevsim557 eni557np1: renamed from eth1
[ 1191.252433][T12785] netdevsim netdevsim380 eni380np1: renamed from eth0
[ 1194.062605][T12777] Could not find device with ifindex 2000 in netnsfd 11
[ 1194.064476][T12777] Could not find netns with fd: 2000
[ 1194.065932][T12777] Cannot link a netdevsim to itself
[ 1194.068647][T12777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).