[ 4385.966384][T22436] gre: GRE over IPv4 demultiplexor driver
[ 4388.055085][T22459] ip_gre: GRE over IPv4 tunneling driver
[ 4450.173289][T23032] ip6_gre: GRE over IPv6 tunneling driver
[ 4492.314291][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4498.330217][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4503.322249][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4509.274298][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4733.317004][T25643] ping (25643) used greatest stack depth: 22144 bytes left