[ 1217.920123][T11126] netdevsim netdevsim512 eni512np1: renamed from eth1
[ 1217.939558][T11128] netdevsim netdevsim474 eni474np1: renamed from eth0
[ 1221.032917][T11120] Could not find device with ifindex 2000 in netnsfd 11
[ 1221.033701][T11120] Could not find netns with fd: 2000
[ 1221.034334][T11120] Cannot link a netdevsim to itself
[ 1221.035069][T11120] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).