[ 3398.211507][T22438] gre: GRE over IPv4 demultiplexor driver
[ 3399.395682][T22461] ip_gre: GRE over IPv4 tunneling driver
[ 3435.818084][T23034] ip6_gre: GRE over IPv6 tunneling driver
[ 3437.192513][T22465] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3439.782622][T23095] ping (23095) used greatest stack depth: 23552 bytes left
[ 3460.423398][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3464.327406][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3467.656394][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3471.495445][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!