[ 4750.103308][T23301] gre: GRE over IPv4 demultiplexor driver
[ 4752.367869][T23324] ip_gre: GRE over IPv4 tunneling driver
[ 4818.553287][T23896] ip6_gre: GRE over IPv6 tunneling driver
[ 4864.404529][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4870.676483][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4875.988465][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4882.644485][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 5127.991870][T26510] ping (26510) used greatest stack depth: 22272 bytes left