[ 1435.878019][T22549] gre: GRE over IPv4 demultiplexer driver
[ 1436.386017][T22572] ip_gre: GRE over IPv4 tunneling driver
[ 1452.960230][T23143] ip6_gre: GRE over IPv6 tunneling driver
[ 1458.932832][T23393] ping (23393) used greatest stack depth: 23776 bytes left
[ 1463.896858][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1465.943821][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1467.928827][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1469.911832][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!