[ 4287.644623][T29245] gre: GRE over IPv4 demultiplexer driver
[ 4289.291083][T29273] ip_gre: GRE over IPv4 tunneling driver
[ 4336.849800][T29844] ip6_gre: GRE over IPv6 tunneling driver
[ 4365.576094][T18029] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4370.182967][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4374.982948][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4379.270960][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4384.134964][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4464.365309][T31319] ping (31319) used greatest stack depth: 23568 bytes left