[ 4277.169245][T29262] gre: GRE over IPv4 demultiplexer driver
[ 4278.763172][T29285] ip_gre: GRE over IPv4 tunneling driver
[ 4325.864418][T29858] ip6_gre: GRE over IPv6 tunneling driver
[ 4341.971824][T30061] ping (30061) used greatest stack depth: 23440 bytes left
[ 4358.335732][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4363.134660][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4367.423619][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4372.158628][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!