[ 1420.962739][T17901] gre: GRE over IPv4 demultiplexer driver
[ 1421.400140][T17924] ip_gre: GRE over IPv4 tunneling driver
[ 1428.593453][T18270] ping (18270) used greatest stack depth: 23152 bytes left
[ 1436.752958][T18502] ip6_gre: GRE over IPv6 tunneling driver
[ 1441.016945][T18702] ping (18702) used greatest stack depth: 22992 bytes left
[ 1442.052956][T18752] ping (18752) used greatest stack depth: 22912 bytes left
[ 1446.823699][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1448.807668][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1450.599667][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1452.583672][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!