[  437.120815] netconsole: network logging started
[  439.377323] netconsole selftest: netcons_Z4Nat
[  441.615457] netconsole selftest: netcons_Z4Nat
[  443.856045] netconsole selftest: netcons_Z4Nat
[  446.071114] netconsole selftest: netcons_Z4Nat