[ 4407.239630][T29247] gre: GRE over IPv4 demultiplexer driver
[ 4408.888153][T29270] ip_gre: GRE over IPv4 tunneling driver
[ 4459.359120][T29841] ip6_gre: GRE over IPv6 tunneling driver
[ 4492.289385][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4497.089320][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4501.057306][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4505.857310][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4574.014828][T31173] ping (31173) used greatest stack depth: 23264 bytes left