[ 3217.769585][T28964] gre: GRE over IPv4 demultiplexor driver
[ 3219.347048][T28987] ip_gre: GRE over IPv4 tunneling driver
[ 3259.258252][T29560] ip6_gre: GRE over IPv6 tunneling driver
[ 3260.582372][ T6627] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3265.831556][ T4209] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3276.527724][T29854] ping (29854) used greatest stack depth: 22672 bytes left
[ 3276.902270][T12750] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3283.751181][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3287.590183][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3290.854198][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3294.630199][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!