[ 4456.307443][T26099] gre: GRE over IPv4 demultiplexor driver [ 4458.310607][T26122] ip_gre: GRE over IPv4 tunneling driver [ 4518.186910][T26694] ip6_gre: GRE over IPv6 tunneling driver [ 4525.423382][T26755] ping (26755) used greatest stack depth: 23040 bytes left [ 4560.436917][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4566.388836][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4571.445838][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4577.332837][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured!