[ 4419.719028][T26236] gre: GRE over IPv4 demultiplexor driver
[ 4421.811842][T26259] ip_gre: GRE over IPv4 tunneling driver
[ 4483.894384][T26832] ip6_gre: GRE over IPv6 tunneling driver
[ 4510.277064][T27081] ping (27081) used greatest stack depth: 23072 bytes left
[ 4525.808436][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4531.760337][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4536.815350][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4542.959350][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!