[ 1320.236634][T20830] gre: GRE over IPv4 demultiplexer driver
[ 1320.778887][T20853] ip_gre: GRE over IPv4 tunneling driver
[ 1339.272389][T21429] ip6_gre: GRE over IPv6 tunneling driver
[ 1348.037928][T21773] ping (21773) used greatest stack depth: 22736 bytes left
[ 1350.869708][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1352.854654][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1354.709850][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1356.694663][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!