[ 4442.697326][T26016] gre: GRE over IPv4 demultiplexor driver
[ 4444.733314][T26039] ip_gre: GRE over IPv4 tunneling driver
[ 4505.285652][T26613] ip6_gre: GRE over IPv6 tunneling driver
[ 4532.492590][T26862] ping (26862) used greatest stack depth: 23648 bytes left
[ 4548.659320][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4554.739241][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4559.860210][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4565.875206][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!