[ 4380.457106][T29656] gre: GRE over IPv4 demultiplexer driver
[ 4382.118829][T29679] ip_gre: GRE over IPv4 tunneling driver
[ 4430.062545][T30250] ip6_gre: GRE over IPv6 tunneling driver
[ 4463.103294][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4467.902181][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4472.062230][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4477.055177][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4546.678109][T31631] ping (31631) used greatest stack depth: 23184 bytes left